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Collaborating Authors
Belait
Recently, I have been trying to wrap my mind around what has been going on with carbon capture utilization and/or sequestration (CCUS) over the past decade. I last looked at the topic while I was in Singapore thinking about how the industry might commercialize all that low- and variable-BTU gas in southeast Asia. The fundamental questions remain much the same: How can the production and facilities community help to drive down costs and build a better road to CCUS application? My periodic involvement feels a bit like my trips from Miri in Malaysia to Kuala Belait in Brunei. With CCUS and CCS (carbon capture and storage), government-funded studies and projects have demonstrated feasibility.
Country:
- North America > Canada (0.36)
- North America > United States > Texas (0.30)
- Asia > Brunei > Belait > Kuala Belait (0.25)
Oilfield Places:
- North America > United States > Texas > Permian Basin > Yeso Formation (0.99)
- North America > United States > Texas > Permian Basin > Yates Formation (0.99)
- North America > United States > Texas > Permian Basin > Wolfcamp Formation (0.99)
- (21 more...)
SPE Disciplines:
Recently, I have been trying to wrap my mind around what has been going on with carbon capture utilization and/or sequestration (CCUS) over the past decade. I last looked at the topic while I was in Singapore thinking about how the industry might commercialize all that low- and variable-BTU gas in southeast Asia. The fundamental questions remain much the same: How can the production and facilities community help to drive down costs and build a better road to CCUS application? My periodic involvement feels a bit like my trips from Miri in Malaysia to Kuala Belait in Brunei. With CCUS and CCS (carbon capture and storage), government-funded studies and projects have demonstrated feasibility.
Country:
- North America > Canada (0.36)
- North America > United States > Texas (0.30)
- Asia > Brunei > Belait > Kuala Belait (0.25)
Oilfield Places:
- North America > United States > Texas > Permian Basin > Yeso Formation (0.99)
- North America > United States > Texas > Permian Basin > Yates Formation (0.99)
- North America > United States > Texas > Permian Basin > Wolfcamp Formation (0.99)
- (21 more...)
SPE Disciplines:
PTAS Aker Solutions, a (JV) between Aker Solutions and PTAS Sdn Bhd, signed a 5-year agreement to provide offshore maintenance and modification services to Brunei Shell Petroleum (BSP). The scope of the work under the contract award, first announced in January, covers more than 200 offshore assets in the South China Sea. The JV will also ensure continuity of delivery to BSP with work managed from PTAS Aker Solutions' office in Kuala Belait, Brunei Darussalam. As a result of the contract, Aker Solutions will book order intake of about NOK 4 billion ($400 million) in the first quarter.
An Engineered Fiber for the Fracturing of Unconsolidated Sand in Highly Deviated Wells in the Tali Field of Brunei
Samuel, Mathew M. (Schlumberger Well Services) | Obianwu, Chike W. (Schlumberger) | Chao, George Wei-Rong (Schlumberger) | Samuel, Elsamma (Schlumberger) | Alim, Hafeez | Hashim, Fazil (Schlumberger) | Rohaya, Damit (Brunei Shell Petroleum)
Abstract This paper discusses the application of fibers for the Frac and Pack application for Brunei Shell Petroleum (BSP). Seven wells with a total of seventeen fracturing treatments in this study are on a multilayered unconsolidated formation, where sand control is a part of well management during the production life of the wells. Previous techniques of open hole external gravel packing and cased hole Internal Gravel Packing (IGP) for controlling formation sand were challenged by reduced flow efficiency of the wells. The recent development of Expandable Sand Screen (ESS) combined with fracturing treatment could not control produced sand, due to failure in perforation techniques. An improved idea of perforating only the lower side of deviated wells using minimum viscosity fluids and minimum amount of pad with limited proppant sand concentration resulted in low net pressure build up. These challenges were prevailed over by the application of a new fiber technology in which fiber is used (1) to transport higher sand concentration to the fracture, and (2) to control the sand flow back during production as well. Since this technology is physical rather than chemical, the proppant flowback is controlled without specific shut-in time, temperature, or pressure constraints. The use of fiber technique prevents sand falling down from perforations and ensures the ESS running smoothly. This technique enabled Brunei Shell Petroleum to cost effectively complete the highly deviated wells with stimulation and sand control. In presence of the fiber, higher proppant concentrations up to 9 ppa could be used successfully even with linear guar gel. This promotes the net pressure build up which is vital for fracturing treatment in high permeability reservoir. Eleven fracturing treatments on five different wells have been performed with excellent results. Introduction Oil and gas industry in Brunei Darussalam started as early 1930's where wells were mostly explored onshore and shallow marine environment. The fields straddle along the coastline about 120 kilometers from Bandar Seri Begawan to Kuala Belait. Tali Field (Fig. 1) is a small field which is about 10 sq km in size 2 km from the coastline. With unconsolidated and high permeability sand, most of the wells here encounter the danger of formation breakdown and premature sand out, which make sand control a requirement during their production lifetime. Historically, hydraulic fracturing has been applied to low permeability formations as a means of further stimulation to increase the production rate.1,2 In the recent years, hydraulic fracturing for controlling formation sand and enhanced productivity in high permeability unconsolidated formations has gained broader acceptance.3 Sand control and stimulation methods for wells in multilayered unconsolidated formation, have started as early as 1960's.4 These techniques included stand alone wire-wrapped screen, 5,6 in-situ sand consolidation with chemicals, 7 gravel packing, 8,9 oriented perforating 10 and limited application of frac packing techniques.11 The application of sand control methods in Brunei have shown remarkable changes in terms of technology used to ensure the treatment capable of controlling the formation sand production as well as maintaining the hydrocarbon production rate.12–16 Implemented sand control techniques are such as standalone wire wrapped screen, in-situ sand consolidation with chemicals, conventional gravel pack for cased hole and openhole, and Frac-Packing. The optimization of these completion techniques also has become more important considering the optimum hydrocarbon production with total sand control and operational risk. The majority of the wells in this study were side tracked from the abandoned wells in Tali field offshore to new targets. With complex geological structure, the wells were drilled at high deviation angle or horizontally to reach to target from existing wells and production platforms.
application, Brunei, Brunei Shell Petroleum, Completion Installation and Operations, concentration, deviated well, engineered fiber, ess, fiber technology, flow in porous media, Fluid Dynamics, fracturing fluid, fracturing materials, fracturing treatment, gas Conference, hydraulic fracturing, Petroleum Engineer, proppant, sand control, Screen Selection, tali field, unconsolidated sand, Upstream Oil & Gas
Country:
- Asia > Brunei > Brunei and Muara > Bandar Seri Begawan (0.24)
- Asia > Brunei > Belait > Kuala Belait (0.24)
Oilfield Places:
- Asia > Brunei > Tali Field (0.99)
- Asia > Brunei > Seria Field (0.99)
- Asia > Brunei > Belait District > Rasau Field (0.99)
SPE Disciplines:
Underbalanced Drilling For Production Enhancement in the Rasau Oil Field, Brunei
Sarssam, Mark (Brunei Shell Petroleum) | Peterson, Russell (Brunei Shell Petroleum) | Ward, Mike (Brunei Shell Petroleum) | Elliott, Dave (Shell Global UBD Implementation Team) | McMillan, Scott (Halliburton Energy Services, Inc.)
Abstract Underbalanced drilling (UBD) technology has been gaining in popularity around the world because of its capability to reduce or eliminate formation damage, to increase production rates, and in some cases, increase the volume of recoverable reserves. The technology is applicable to fields where formation damage is a concern or where problems such as severe fluid loss, differential sticking, steering problems or slow drilling rates are encountered with conventional drilling. With underbalanced drilling, the formation pressure is greater than the hydrostatic pressure, allowing hydrocarbons to flow into the wellbore during drilling. This prevents potentially damaging drilling fluids and drilled fines from penetrating the producing formation. In previous experiences in the field using traditional drilling methods, considerable formation damage had been experienced, and although UBD had never been attempted in the area before, Brunei Shell Petroleum and its government partner decided to use this technology in a three-well trial in the Rasau field, located onshore in Kuala Belait, Brunei. Of the three wells attempted during this UBD trial one well could not be drilled due to catastrophic borehole collapse. The other two wells were successfully drilled to depth using UBD techniques; however, multiple hole volumes of solids were produced during drilling and production testing, indicating borehole stability problems. Production rates observed after drilling to TD and prior to running completions indicated zero formation impairment, with well productivity exceeding expectation; however, during the completion phase, mechanical problems occurred, and post completion well tests indicated productivity reductions of 60 to 70% compared with the pre-completion tests. This paper discusses the planning, drilling, results, highlights, and lowlights from this UBD trial, along with learnings and recommendations for future application of the technology. The execution of the program led to a sharp learning curve, and the development of recommendations that can be applied to future operations in this field. These primarily relate to well (construction) design, drilling procedures, equipment design, rig-up and rig-down optimization between wells, and completion design. Introduction The Rasau field structure is a local accumulation in a major anticline ridge extending from Miri, Malaysia to Seria, Brunei. The accumulation is divided into two fault systems, one trending in a southwest to northeast direction and the other in an east to west direction. The Rasau field has been on production since 1983 and there are currently 27 producing wells. The sandstone reservoirs are generally of moderate quality (1–100 md), and are of shallow marine origin, resulting in a laterally extensive stacked sequence. The producing reservoirs, typically located at a depth of 4900ft - 6500ft, contain saturated light oil (40°API) with varying sizes of gas cap. The drive mechanisms are reservoir specific and are typically a combination of gas cap expansion, solution gas drive and aquifer influx. To date, there have been no secondary recovery schemes implemented in the Rasau field. The 3-well trial project incorporated several major challenges that had to be addressed through the initial planning / design phase and risk/hazard assessment processes. To minimize formation damage and reduce cost, produced oil and gas were chosen as the drilling fluids. The wells were drilled at high angle through the target reservoirs, cutting through the many thin layers of pay to maximize formation exposure. Due to the layered nature of the reservoir, a moderate amount of shaley formation was expected within the planned trajectories (up to 50%), the stability of which was to be assessed as one of the trial objectives. The stability of this material was to prove a key factor during the underbalanced operations, and is thought to have been the cause of significant problems due to borehole breakout and collapse. Fig. 1 shows the location of the Rasau trial wells, and Fig. 2 shows the trial-well trajectory.
annular pressure drilling, assembly, completion, drill pipe, drilling operation, formation damage, hydrostatic pressure, injection, production enhancement, productivity, reduction, Reservoir Characterization, spe iadc 85329, target reservoir, trial well, UBD trial, underbalanced drilling, Upstream Oil & Gas, well 2
Country:
- Asia > Brunei > Belait District (1.00)
- Asia > Brunei > Belait > Kuala Belait (0.24)
SPE Disciplines:
Abstract An extensive QRA study has been performed to assess the level of risk to the local population presented by Brunei Shell's onshore facilities and presented by Brunei Shell's onshore facilities and to identify suitable areas for future BSP and urban expansion. The results of the study are presented in the form of individual risk contours plotted onto maps of the local area and societal risk F/N plots. risk contributing factors are identified leading to the specification of effective risk reducing measures; the major hazard is shown to be associated with the use of liquid chlorine. Introduction Brunei Darussalam is located on the north west coast of Borneo with a total area of 5760 square kilometers and a population of some 250 000 people. people. Brunei Shell Petroleum Company (BSP) is the country's major oil and gas producer and, with a staff of some 4000, the largest private employer. BSP's onshore facilities comprise a production terminal, a refinery, a gas compression plant, condensate stabilisation facilities, 5 remote groups, some 800 wells, and associated flow and gas lift lines. The facilities, together with the BSP housing, extend 12 km along a coastal strip scene 1.5 km wide within which lie the towns of Seria and Kuala Belait (see figure 1). These 'oil towns' have grown from being small village settlements, when oil was first struck in 1929, to being two of the largest towns in Brunei today. The total population in the area of BSP operations is now some 60 000 people. Significant parts of both towns lie within the main onshore producing fields. The expansion of BSP operations, in parallel with urban development, has resulted in oil and gas facilities being brought into ever closer proximity with the local community; some well proximity with the local community; some well locations are less than 50 m from the boundaries of private and flowline corridors run along side public main roads. The mutual encroachment of BSP facilities and the urban community has been the subject of recent discussion, particularly in connection with the selection of sites for future BSP development. It was decided to carry out a Quantitative Risk Assessment (QRA) study to determine the risk presented by the BSP onshore facilities to the presented by the BSP onshore facilities to the local population. The objectives of the study were two fold:–to identify any areas of BSP's operations which currently present an intolerable level of risk and for such areas to specify suitable risk reducing measures, and –to provide a basis for selection suitable areas for future BSP and urban development. QRA STUDY QRA can be defined as the formal and systematic approach of identifying potentially hazardous events and estimating the likelihood and consequences of accidents developing from these events. Within the Royal Dutch Shell Group of Companies the technique is recognised as a tool to assist decision making in the selection of acceptable solutions to safety problems. P. 715
ani, chlorine, contour, extensive onshore oil, failure case, fatality, fin plot, guideline, individual risk, local population, Petroleum Engineer, QRA, refinery, Risk analysis, risk and uncertainty assessment, risk contour, risk management, seria Terminal, societal risk, spe 23290, Upstream Oil & Gas
SPE Disciplines:
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