Azerbaijan

Abstract This paper presents the intervention activities performed under high crossflow conditions in Chirag Auto Gas Lift (In-situ GL/Natural GL) completion design where crossflow between the reservoir zones posed a major challenge. Auto Gas Lift design was installed on a few selected wells of the Chirag field due to a lack of conventional gas-lift equipment, compressors, and pipelines. When Auto gas lift wells are shut in, crossflow occurs between the high-pressure gas-bearing zone used to lift the oil and the lower- pressured oil-bearing reservoir zone. The amount of crossflow is controlled by installing a choke (gas lift valve) across the gas bearing zone. On well A completed in August 2020, an oversize Gas Lift Valve was installed which created suboptimal flowing conditions, production deferrals and severe crossflow during shut-in. An intervention activity was carried out to replace the oversized valve in this severe crossflow condition. Installation of a plug was necessary to stop the cross-flow during the valve change-out operation but proved to be very challenging because the force from the crossflow - a rushing mixture of gas/sand - would be pushing against the cross-sectional area of any tool that is to be RIH. This paper describes the multiple options that can be worked out via modelling to define the optimal approach for successful intervention operations in high crossflow environments. The rate of cross-flow in the well can limit well intervention options. Due to piston force created by cross- flow, conventional methods of reservoir isolation are not always feasible, hence deployment method needs to be thoroughly analyzed during job planning. Several ways of reservoir isolation methods – utilizing slickline or e-line methodology have been cross-checked through rigorous modelling and collaboration with the contractors. This modelling revealed that well A crossflow conditions exceeded the safe operating limits of the Slickline wire and would introduce significant damages to the e-line wire due to the build-up piston force on the plug as it expands. After a few iterations, the optimized solution was identified as having an anchor that would be set before the plug and allow the passage of the gas flow through it. This intervention activity was carried out successfully on Well A as a result of the mutual efforts of all partners. The article also discusses the option of killing the well as a last resort to proceed with a required intervention job.

OnePetro

doi: 10.2118/212929-MS

SPE

SPE-212929-MS

SPE/ICoTA Well Intervention Conference and Exhibition

Country: Asia > Azerbaijan > Caspian Sea > Apsheron-Pribalkhan Ridge (0.85)

Industry: Energy > Oil & Gas > Upstream (1.00)

Oilfield Places: Asia > Azerbaijan > Caspian Sea > Apsheron-Pribalkhan Ridge > South Caspian Basin > Azeri-Chirag-Guneshli Field > Chirag Field (0.99)

SPE Disciplines: Production and Well Operations > Artificial Lift Systems > Gas lift (1.00)

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Student Chapter Award Winners

SPE WebsiteNovember, 2022

Student Chapter Excellence Award Akademi Minyak dan Gas Balongan Alexandria University Almetyevsk State Oil Institute American University of Ras Al Khaimah Anambra State University Azerbaijan State Oil and Industry University Baku Higher Oil School Bandung Institute of Technology Batman University Bayero University, Kano Beirut Arab University China University of Petroleum (East China) Colorado School of Mines Curtin University Dawood Univ. of Engineering & Technology, Karachi Dibrugarh University Enugu State University Escuela Superior Politecnica del Litoral Faculdades Metropolitanas Unidas Federal University of Alagoas Federal University of Sergipe Federal University of Technology Owerri Federal University of Technology, Akure Future University in Egypt Gubkin University Igbinedion University Okada Indian Institute of Technology (ISM), Dhanbad Institut Teknologi Kalimantan Institut Teknologi Sepuluh Nopember (ITS) Islamic University of Riau Kuwait University Lebanese American University Louisiana State University Mit-World Peace University Montana Tech Nile University of Nigeria Nkumba University Pennsylvania State University Politeknik Energi dan Mineral (PEM) Akamigas Saint Petersburg Mining University Stanford U The American University of Iraq, Sulaimani The University of Trinidad & Tobago UCSI University Ukhta State Technical University Universidad Central del Ecuador Universidad del Zulia Universidad Privada de Santa Cruz, Bolivia Universidad San Francisco Xavier Universidade Federal de Campina Grande Universidade Federal de Pelotas Universidade Federal do Espirito Santo Universidade Federal do Rio de Janeiro Universidade Federal do Rio Grande do Norte Universiti Teknologi Malaysia Universiti Teknologi MARA (UiTM) Universiti Teknologi Petronas University of Batna 2 University of Bucharest University of Clausthal University of Houston University of Indonesia University of Kurdistan, Hewler University of Nigeria University of Uyo

SPE Website

american university, asia government, federal university, Institute, Student Chapter Award Winner, technology, University, Upstream Oil & Gas

Country:

South America > Brazil > Rio de Janeiro > Rio de Janeiro (0.27)
North America > United States > California > San Francisco County > San Francisco (0.27)
Europe > Russia > Northwestern Federal District > Leningrad Oblast > Saint Petersburg (0.27)
(11 more...)

Genre: Personal > Honors (0.40)

Industry:

Government > Regional Government > Asia Government (0.76)
Energy > Oil & Gas > Upstream (0.72)

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Drilling and Cementing to Isolate Productive Series and High Pressure Zones: A Successful Case History Enables Zonal Isolation in High Pressure Gas Well with Close PPFG Margins in South Caspian Basin

OnePetroNovember, 2022

Abstract The objective of this paper is to share the experience of how 7-5/8" section was drilled, and cased-off to enable the zonal isolation in the depleted VII horizon and high-pressure zone with close PPFG margins by managing high risks of differential sticking and loss of circulation at Bulla gas-condensate reservoir which is one of the most complex high-pressure fields with close PPFG margins in the world. The Bulla wells are highly complex wells the Caspian region. Before drilling into the reservoir section which requires high MW, the drilling liner was run to the cased-off VII horizon and high-pressure zone, which have significant challenges such as differential sticking and loss of circulation, previously resulting in stuck pipe and losses. To overcome the challenges, under reaming/liner cementing at MW lower than PP were evaluated and applied to have good cementing across the open hole and good shoe, to drill into the reservoir section in the project. The study helped to identify the issues and actions taken that resulted in significant improvement in well delivery and reduced the risks despite having underbalanced condition during under-reaming/cementing. So is accepting the bitter truth, situation offering limited sets of options was very challenging as having: high risks of differential sticking and loss of circulation due to high MW, high- pressure interval near the setting depth, which required high MW to stabilize the well, need to isolate the high-pressure zone and depleted VII horizon for drilling into the reservoir section. However, the operation plans of managing the ECD within limits by using different MWs, higher MW for running casing and lower MW for UR and cementing have been risk-assessed with all the mitigation, and as a result, the aforementioned intervals were well isolated which was supported by CBL results. No gains or losses were observed during the operations including both casing running and cementing. Finally, having a good cement in the shoe allowed to successfully drill into the reservoir section with high MW accomplishing successful completion of the well without any major problems previously occurring. Therefore, this approach not only reduced the time, cost and also helped to deliver the quality wellbore. The case study of liner cementing at underbalanced conditions provides useful insights of how unconventional techniques can be successfully implemented to achieve the overall accomplishment in well delivery performance.

OnePetro

doi: 10.2118/212071-MS

SPE

SPE-212071-MS

SPE Annual Caspian Technical Conference

Country: Asia > Azerbaijan (0.47)

Industry: Energy > Oil & Gas > Upstream (1.00)

Oilfield Places: Asia > Azerbaijan > Middle Caspian Basin (0.99)

SPE Disciplines:

Well Drilling > Pressure Management > Well control (1.00)
Well Drilling > Pressure Management > Underbalanced drilling (1.00)
Well Drilling > Drilling Fluids and Materials > Drilling fluid management & disposal (1.00)
(6 more...)

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The study of petrophysical parameters using seismic lines to identify non-anticline traps in the Qala-Turkan area (Azerbaijan) (Russian)

Huseynova, M. A. (Oil and Gas Research and Design Institute, SOCAR)

OnePetroNovember, 2022

The article discusses the features of the petrophysical properties of the productive strata in the deposits of the Qala suite of the Qala-Turkan area. The identified productive horizons were analyzed. The distribution of petrophysical parameters in the area has been studied. As a result of studies carried out by the common depth point (CDP) method, the relationship of promising areas with non-anticline traps was revealed using seismic data. Diagnostic criteria for identifying these traps have been established, the variability of petrophysical features (porosity, net-to-gross, clay content carbonate content, permeability) has been analyzed, and the presence of residual oil and gas reserves has been assessed. The results of the analysis of the area distribution of predicted values of petrophysical parameters (porosity, net-to-gross, permeability, clay content and carbonate content) showed that sand layers are gradually replaced by clay layers in the direction from northwest to southeast. The formation of traps is associated with the southeastern marginal part of the sedimentation basin. Based on the results of comparison of well data, it was established that lithological wedging occurs on the wings and in the periclinal parts of the developing consedimentary uplift. It has been established that non-anticline traps of the lithological type, accompanied by a sharp variability in the lithological composition of the deposits, are irregularly distributed over the area. The overlap of individual reservoirs with impermeable deposits in the zone of location of tectonic blocks in the depth interval of 3000–3700 m was revealed. Local uplifts were identified here, eroded in arched parts and overlain by impermeable rocks (with angular unconformities). They are non-anticline lithologically shielded nest-like traps complicated by tectonic faults. The observed sharp change in petrophysical parameters indicates that the traps are confined to reservoir rocks.

OnePetro

doi: 10.24887/0028-2448-2022-11-80-83

OIJ

OIJ-2022-11-080-083-RU

Oil Industry Journal

asia government, azerbaijan government, Baku, deposit, lithofacies composition, litofatsial, mahtabanha, neftyanoe khozyaystvo, nipineftegaz, permeability, porosity, Publ, Reservoir Characterization, Russ, seismic surveying, structural geology, uplift, Upstream Oil & Gas, variability

Country: Asia > Azerbaijan (0.49)

Geophysics: Geophysics > Seismic Surveying (1.00)

Industry: Energy > Oil & Gas > Upstream (1.00)

SPE Disciplines: Reservoir Description and Dynamics > Reservoir Characterization > Exploration, development, structural geology (1.00)

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Comparison of Different Approaches of 1D Mechanical Earth Model Used in Geomechanics

Su, K. (TotalEnergies, OneTech) | Onaisi, A. (TotalEnergies, OneTech) | Vidal-Gilbert, S. (TotalEnergies, OneTech)

OnePetroJune, 2022

ABSTRACT: 1D Mechanical Earth Model (1DMEM) is the base of many petroleum related works: drilling, completion, prediction of subsidence and cap rock integrity study etc. It provides the profiles of in situ stresses and mechanical properties of geological formations crossed through by a well. The requirement of 1DMEM becomes almost systematic from exploration to development and later to plugging and abandon phases, for both conventional and unconventional fields. There are three types of 1DMEM model based on three distinct assumptions to compute the profile of in situ horizontal stresses: (a) the fault stability model, (b) the poro-elastic model, c) the poro-elasto-plastic compaction model using the Modified Cam-Clay or Mohr-Coulomb model. This paper presents a comparison of the above three types 1DMEM. The assumptions used by each model are examined and their limits of applicability are discussed. The key parameters controlling the in-situ stress contrast regarding to the vertical stress are discussed. Although all these models need well data to calibrate the stress profiles, the stress contrast and the vertical variability of the horizontal stress profiles could be very different between the models. The poro-elasto-plastic approach with eventual consideration of thermal and tectonic stress has high capacity to provide the horizontal stresses profiles consistent with well data in many geological contexts. 1. INTRODUCTION Mechanical Earth Model (MEM) refers to the numerical representation of the magnitude of in-situ stress in geological formations and their thermo-poro-mechanical properties. It can be elaborated at various scales, 3D or 2D at field scale, or 1D at wellbore scale. Today in the petroleum industry, the request of 1DMEM at wellbore scale is almost systematic over the life of a well, from well preparation, drilling & completion, production phase, infill wells, to plugging-abandon works. Such systematic request of geomechanical model comes from the need to guarantee the well integrity and subsurface integrity of the operations, a need accentuated after the accident of Deepwater Horizon happened in 20th April 2010.

OnePetro

doi: 10.56952/ARMA-2022-0749

ARMA

ARMA-2022-0749

56th U.S. Rock Mechanics/Geomechanics Symposium

Country:

Europe (0.47)
North America > United States (0.28)
Asia > Azerbaijan (0.28)

Industry: Energy > Oil & Gas > Upstream (1.00)

Oilfield Places: Asia > Azerbaijan > Caspian Sea > North Absheron Basin > Absheron Block > Absheron Field (0.99)

SPE Disciplines: Reservoir Description and Dynamics > Reservoir Characterization > Reservoir geomechanics (1.00)

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SPE Student Summit on Renewable Energy Discusses Energy Transition in Russia/Caspian Region

The Way AheadJune, 2022

During 20–21 May the Azerbaijan Oil and Industry University SPE Student Chapter conducted "Caspian Energy Summit." This is the first SPE student summit in Azerbaijan and Russia/Caspian region focusing on transitioning from oil and gas to renewable energy. The summit was organized with the support of French-Azerbaijani University and sponsorship of SPE Azerbaijan section, BP, Equinor, and Azerbaijan State Oil and Industry University. "The theme of energy transition is extremely important to ensure that we have a sustainable energy future not only for our generation but also for upcoming generations. At SPE we believe that the energy system of the future has to be sustainable from many aspects: 1) energy availability, 2) energy security, and 3) energy affordability and finally clean energy" said 2022 SPE President Kamel Ben-Naceur in his video message welcoming the summit participants.

The Way Ahead

asia government, azerbaijan government, competition, ecoenergy, equinor, french-azerbaijani university, renewable energy discuss energy transition, russia caspian region, socar downstream, social responsibility, SPE Student Summit, speech, sustainability, sustainable development, Upstream Oil & Gas

Country: Asia > Azerbaijan (1.00)

Industry:

Energy > Renewable (1.00)
Government > Regional Government > Asia Government > Azerbaijan Government (0.46)
Energy > Oil & Gas > Upstream (0.30)

SPE Disciplines: Health, Safety, Environment & Sustainability > Sustainability/Social Responsibility > Sustainable development (1.00)

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Facies analysis of productive series sediments on the base of well logging data (on the example of the Pirallahi adasy field) (Russian)

Khalilova, L. N. (Azerbaijan State Oil and Industry University) | Kerimova, K. A. (Azerbaijan State Oil and Industry University)

OnePetroApril, 2022

For a complete understanding of the oil and gas fields formation processes and correct choice of the direction of their search and exploration, facies-cyclical analysis is required. On the example of the Pirallahi adasy area, the possibility of using the logging facies technique for the facies-cyclic analysis of deposits of the productive series of the Early Pliocene is shown. The Pirallahi adasy field is located in the Absheron oil and gas region. The sandy horizons of the Kirmaky and Pre Kirmaky suites of the productive series are the main oil and gas bearing objects at the Pirallakhi adasy fiel. dGenetic studies of sandy reservoirs have been carried out. Alluvial deposits play an important role in the formation of oil and gas deposits. These deposits are developed within the coastal-marine conditions of sedimentation of sandy bodies, especially in the paleodelts. Non-anticlinal hydrocarbon traps are genetically related to the aforementioned sedimentation conditions. Prediction of changes in the main parameters of sand bodies-reservoirs as well as the choice of a rational system for the development of the field is possible only with accurate information on the origin of sand bodies. In this regard, the topic of the article devoted to the study of the conditions and environments of sedimentation of deposits of the productive series is very relevant. At present, well logging data are widely used to study the genesis of sedimentary rocks. The article shows the efficiency of using field geophysical data in the study of both lithological and facies variability of terrigenous deposits. In the process of research, data from electrical logging and X-ray logging were used, , on the basis of which the genesis of sandy reservoir bodies was determined.

OnePetro

doi: 10.24887/0028-2448-2022-4-14-18

OIJ

OIJ-2022-04-014-018-RU

Oil Industry Journal

Azerbaijan, deposit, facies analysis, facies INTERPRETATION, genesis, geophysical data, khalilova, log analysis, pirallahi adasy field, productive series sediment, Publ, Reservoir Characterization, Russ, sand body, Sedimentation condition, structural geology, Upstream Oil & Gas, well logging

Country: Asia > Azerbaijan (0.30)

Geologic Time: Phanerozoic > Cenozoic > Neogene > Pliocene (0.54)

Industry: Energy > Oil & Gas > Upstream (1.00)

SPE Disciplines:

Reservoir Description and Dynamics > Reservoir Characterization (1.00)
Reservoir Description and Dynamics > Formation Evaluation & Management > Open hole/cased hole log analysis (1.00)

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Determination of reservoir properties of elastic gas condensate formations based on two field measurements at a steady-state inflow (Russian)

Jamalbayov, M. A. (SOCAR Oil Gas Scientific Research Project Institute) | Jamalbayli, T. M. (Azerbaijan State Oil and Industry University)

OnePetroApril, 2022

A method is proposed for interpreting the results of gas condensate well test data in two steady-state regime in order to determine the initial value of the reservoir effective permeability and its change factor. The described technique was developed on the basis of a binary filtration model, where the hydrocarbon system is represented as consisting of two pseudo-components and two phases, between the phases there is a mass transfer of hydrocarbons. To apply the proposed methodology, well production data is required, measured at two different steady-state well conditions for two different reservoir pressures. The technique has been tested on the example of PVT production data for the horizon X of the Bulla-Deniz field (Azerbaijan) at different compacting factors of reservoir rocks. The high reliability of the described method has been established. At the initial stages of development, the deviation of the calculated values of the considered parameters from their actual values did not reach 1%. And at later periods, i.e. when the reservoir pressure falls below than 80%, the deviations of the calculated initial permeability and permeability change factor were 2.3 and 4.6%, respectively. Unlike similar methods, the proposed approach is based on the idea of linear approximation. This made it possible to minimize the input data (the number of measurements) and at the same time increased the reliability of interpretation by eliminating the subjectivity factor. The proposed method is simple and reliable, as evidenced by the test results. It is easy to use in a computer, which is not unimportant when automating the process of interpreting measurement results.

OnePetro

doi: 10.24887/0028-2448-2022-4-49-53

OIJ

OIJ-2022-04-049-053-RU

Oil Industry Journal

Country: Asia > Azerbaijan (1.00)

Industry: Energy > Oil & Gas > Upstream (1.00)

Oilfield Places:

Asia > Azerbaijan > Bulla-Deniz Field > Productive Strata (PS) VIII Formation (0.99)
Asia > Azerbaijan > Bulla-Deniz Field > Productive Strata (PS) VII (similar to Pereryv) (0.99)
Asia > Azerbaijan > Bulla-Deniz Field > Productive Strata (PS) V (0.99)
Asia > Azerbaijan > Bulla-Deniz Field > Girmaki Sand Formation (0.99)

SPE Disciplines:

Reservoir Description and Dynamics > Unconventional and Complex Reservoirs > Gas-condensate reservoirs (1.00)
Reservoir Description and Dynamics > Reservoir Fluid Dynamics > Flow in porous media (1.00)
Reservoir Description and Dynamics > Reservoir Characterization (1.00)
Reservoir Description and Dynamics > Formation Evaluation & Management > Drillstem/well testing (1.00)

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Industry First: Shunt Tubes Open Hole Gravel Pack Completion Through 9-5/8" Milled Casing Window in ACG Field, Azerbaijan

OnePetroFebruary, 2022

Abstract Azeri-Chirag-Gunashli (ACG) is a giant field located in the Azerbaijan sector of the Caspian Sea. The major reservoir zones are multi layers sandstone formations with oil column up-to 1000m, and weakly consolidated where Open Hole Gravel Pack (OHGP) completions have become the standard design for production wells. Development began in 1997 and to date more than 130 high rate OHGPs have been installed. Once existing wells has been uneconomically to be produced, a Sidetrack or Up-Hole Recompletion (UHRC) will be performed. The standard 9-5/8" sidetrack technique will be done by drilling new section, installing and cemented a 7-5/8" liner, then drilling 6.5"x8" hole in pay zone followed by running 4" Shunted Screen and gravel packing. Previously C&P technique has been used for UHRC option but it was producing at limited drawdown and quickly sand up when water break through. Cased Hole Gravel Pack (CHGP) technique has been trialed as UHRC option in the past 2 years but has limitation of the number zone & length can be perforated which resulted in leaving some zones unperforated behind casing. A new concept of UHRC has been designed and successfully tested. This concept consists of sidetracking into the overburden, drilling to TD and removing 7-5/8" liner section. Shunted screen then deployed into open hole through a cased milled window followed by gravel pack operation. While standalone screens have been deployed through cased milled windows before, deploying shunted screens through a cased milled window followed by an OHGP is an industry 1st. This technique delivers the well 20 days earlier compare to standard Sidetrack OHGP well due to removal 7-5/8" production liner section. This technique is also give advantage over stacked CHGP option because can provide higher k*h access, can handle high levels of differential depletion within the completed interval and has the potential to unlock up lot more well candidates to allow and deplete the reserves from overlying reservoirs. This paper will also describe window and well design to deliver successful Shunt Tubes OHGP installation with this technique.

OnePetro

doi: 10.2118/208859-MS

SPE

SPE-208859-MS

SPE International Conference and Exhibition on Formation Damage Control

Azerbaijan, bridge plug, cased milled window, completion, Completion Type, milled casing window, milled window, milling BHA, OHGP, open hole gravel pack completion, packer, reservoir, sand control, shunted screen, upper horizon, Upstream Oil & Gas, whipstock

Country:

North America > United States (0.95)
Asia > Azerbaijan > Caspian Sea > Apsheron-Pribalkhan Ridge (0.66)

Genre: Overview > Innovation (0.35)

Industry: Energy > Oil & Gas > Upstream (1.00)

Oilfield Places:

Asia > Azerbaijan > Caspian Sea > Apsheron-Pribalkhan Ridge > South Caspian Basin > Azeri-Chirag-Guneshli Field > Azeri Field (0.99)
Asia > Azerbaijan > Caspian Sea > Apsheron-Pribalkhan Ridge > South Caspian Basin > Azeri-Chirag-Guneshli Field > Guneshli Field > Sabunchi Formation (0.93)
Asia > Azerbaijan > Caspian Sea > Apsheron-Pribalkhan Ridge > South Caspian Basin > Azeri-Chirag-Guneshli Field > Guneshli Field > Podkirmaku (PK) Formation (0.93)
(5 more...)

SPE Disciplines:

Well Completion > Sand Control > Gravel pack design & evaluation (1.00)
Reservoir Description and Dynamics (1.00)

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Eni, Snam Partner To Secure Algerian Gas Supply to Italy

Journal of Petroleum TechnologyDecember, 2021

Eni has agreed to sell 49.9% of its combined stake in companies operating onshore gas pipelines running from Tunisia's border with Algeria to the Tunisian coast (TTPC) and offshore gas pipelines traversing the Mediterranean Sea from Tunisia to Italy (TMPC) to Italian energy infrastructure operator Snam. Snam is paying 385 million euros ($436 million) for the stake. The company operates in Albania (AGSCo), Austria (TAG, GCA), France (Terega), Greece (DESFA), Italy, the UAE (ADNOC Gas Pipelines), and has interests in the UK Interconnector and the Trans Adriatic Pipeline (TAP). Snam also recently entered markets in China and India, according to the company's website. Under the agreement announced on 27 November, Eni will transfer its ownership stakes in TTPC and TMPC to NewCo, a newly incorporated Italian company in which Eni will hold a 50.1% controlling interest; Snam will self-finance its purchase of 49.1%.

Journal of Petroleum Technology

Country:

Europe > Italy (0.87)
Africa > Middle East > Tunisia (0.60)
Asia > Azerbaijan > Caspian Sea (0.58)

Genre:

Financial News (0.58)
Press Release (0.36)

Industry: Energy > Oil & Gas > Midstream (1.00)

SPE Disciplines:

Facilities Design, Construction and Operation > Pipelines, Flowlines and Risers (1.00)
Facilities Design, Construction and Operation > Natural Gas Conversion and Storage > Liquified natural gas (LNG) (0.40)

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Collaborating Authors

Azerbaijan

Interventions in High Cross-Flow / Auto Gas Lift Well in Chirag Field, Caspian Region

Student Chapter Award Winners

Drilling and Cementing to Isolate Productive Series and High Pressure Zones: A Successful Case History Enables Zonal Isolation in High Pressure Gas Well with Close PPFG Margins in South Caspian Basin

The study of petrophysical parameters using seismic lines to identify non-anticline traps in the Qala-Turkan area (Azerbaijan) (Russian)

Comparison of Different Approaches of 1D Mechanical Earth Model Used in Geomechanics

SPE Student Summit on Renewable Energy Discusses Energy Transition in Russia/Caspian Region

Facies analysis of productive series sediments on the base of well logging data (on the example of the Pirallahi adasy field) (Russian)

Determination of reservoir properties of elastic gas condensate formations based on two field measurements at a steady-state inflow (Russian)

Industry First: Shunt Tubes Open Hole Gravel Pack Completion Through 9-5/8" Milled Casing Window in ACG Field, Azerbaijan

Eni, Snam Partner To Secure Algerian Gas Supply to Italy

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Collaborating Authors

Azerbaijan