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The notion of reducing our environmental footprint, minimizing leaks and spillages, and identifying operational efficiencies is nothing new. We have been addressing these issues for years. Sustainability, however, has gained a higher profile recently, especially since the 2015 United Nations Framework Convention on Climate Change accord and the evolution of alternative energies. It came, therefore, as a pleasant surprise to review an extraordinary wealth of well-written papers relating not only to this topic, but to all manner of fascinating engineering issues. Let me back up a bit.
US Job Numbers Up for OFS and Equipment Industry, But Outlook Remains Unclear The increase in OFS and equipment sector jobs over the past 2 months came amid higher oil and gas production. But increases in COVID-19 cases are causing uncertainty about when and how much demand will rise. Texas Regulator To Place New Limits on Allowable Flaring Oil and gas producers in the state are being asked to submit data and economic analysis on why they cannot sell natural gas before they are granted permission to flare it. UAE Has Become World’s Newest Producer of Unconventional Gas The first delivery of shale gas in the UAE marks a major milestone toward its goal of reaching 1 Bcf/D by 2030. It also signals the expansion of hydraulic fracturing in the UAE’s conventional fields.
The first portion of the complete paper includes an extended discussion of the RED and definitions needed to appreciate its conclusions that the production and consumption of fossil fuels will be reduced gradually and replaced by renewable alternatives. This is an economically threatening situation for any country whose gross domestic product is dependent upon oil. The energy transition is a slow but steady process, so nations of the Middle East are reviewing their long-term strategies. Energy-transition and renewable-energy developments, however, may offer solutions and opportunities for these nations. This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 198165, “Alternative Fuels Development in Europe: Threat or Opportunity for the Middle East?” by Maarten Van Haute, Kuwait Petroleum Research and Technology, prepared for the 2019 SPE Kuwait Oil and Gas Conference and Show, Mishref, Kuwait, 13–16 October. The paper has not been peer reviewed.
The authors first describe the similarities and differences of a BHA and a stringed instrument. The string of a violin, for example, typically has two fixed nodal points: the first at the bridge, which does not change, and the second at the position of the musician’s finger, which is moved along the fingerboard in order to play notes of different frequencies. The finger pressing on the string causes it to have zero displacement at that location, which defines a nodal point. Additional nodal points may occur in the motion of the string as harmonics of the fundamental mode, but these are not considered to be fixed nodes because the amplitudes of the harmonics vary. The string is relatively flexible, so it can be described adequately with a second-order differential equation. This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 197231, “Recognition and Mitigation of the Bottomhole Assembly Lateral Vibration Chatter Mode,” by Jeffrey R. Bailey, SPE, and Harshit Lathi, ExxonMobil, and Matthew T. Prim, SPE, ADNOC, et al., prepared for the 2019 Abu Dhabi International Petroleum Exhibition and Conference, Abu Dhabi, 11–14 November. The paper has not been peer reviewed.
Value methodology has been implemented successfully in new projects to save costs but rarely has been implemented in oil and gas operating facilities to minimize operating costs. The success of value methodology in reducing capital project costs prompted the author to explore its application to operating facilities, specifically toward minimizing operating and maintenance cost. Value methodology is used when value is a concern and requires optimization. Value is defined as the ratio of function to cost.
The United Arab Emirates’ (UAE) chief energy regulator has announced that the country holds a substantial volume of newly discovered unconventional resources as it approved a 5-year spending plan for the Abu Dhabi National Oil Company (ADNOC). The Supreme Petroleum Council, which also serves as ADNOC’s board of directors, placed the estimated reserves of unconventional oil within the Emirate of Abu Dhabi at 22 billion bbl, according to a government news release on 22 November. The figure would place the UAE’s tight reservoir potential on par with that of some of the biggest plays in North America. The government also said that an additional 2 billion bbl of reserves was also recently discovered, raising the UAE’s total conventional reserve estimate to 107 billion bbl. Both the conventional and unconventional estimates were independently verified by Houston-based reserves specialist Ryder Scott.
Maria Angela Capello is an Honorary Member of SPE, thought leader, reservoir management expert, and a proponent of diversity and inclusion and talent development. She was the first woman to supervise seismic acquisition in the jungles of Venezuela. Her career has spanned three continents, with several significant achievements across technical and management disciplines. She is an SPE Distinguished Lecturer and chair of the Distinguished Service Award Committee. She was previously an associate editor of JPT, chair of the Business, Management and Leadership Committee, and serves as director at large of the Society of Exploration Geophysicists (SEG). Capello was recently knighted by the President of Italy with the “Cavaliere dell’Ordine della Stella d’Italia,” for “her contributions to the energy sector, that elevate the prestige of Italy abroad.”
Last year was a challenging one; however challenges also mean opportunities. This is precisely what the 2020 SPE Young Member Outstanding Service Award (YMOSA) winners did—translating challenges into opportunities, and opportunities into actions. In an interview for TWA, these young professionals (YPs) share the contributions they made to the community, how if feels to support others, and why they have been honored with the award. The SPE YMOSA recognizes contributions and leadership in public or community matters, to SPE, and the petroleum engineering profession. This is a community service award intended to encourage interests among the young members of the Society that are broader than the profession.
Tao, Ran (China Harbour Engineering Co., Ltd.) | Hua, Xiao-tao (CCCC Second Harbour Engineering Co., Ltd.) | Huang, Rui-yi (CCCC Second Harbour Engineering Co., Ltd.) | Feng, Xian-dao (CCCC Second Harbour Engineering Co., Ltd.)
To solve the problem that the traditional construction method of offshore vibro-flotation with stone column by floating barge with vibro-equipment could hardly meet the schedule and tolerance requirements of ground improvement specification under the extreme wave condition especially from Mediterranean sea, this paper proposes a solution as a jack-up used for offshore vibro-flotation with stone column based on the overall structural stability calculation and foundation settlement calculation. Based on the successful application of offshore vibro-flotation with stone column by jack-up for the construction of Hadarom port in Israel, with its advantage of stability and effectiveness for offshore ground improvement under extreme wave condition, this solution of jack-up has a broad promotion prospect as a reference for similar projects.
As an extension of Ashdod port and Hayovel port in Israel, Hadarom port is designed for Maersk Triple E-class container vessel, comprising a 60-hectare container terminal formed by the hydraulic reclamation, which is shielded by the 600-meter extension of the existing main breakwater as shown in the following Fig. 1 and Fig. 2.
Since the upper layer of ground foundation under the main breakwater extension is mostly soft and loose silty sand with a piezocone penetration test (PCPT) value less than 5 MPa, the vibro-flotation with an Area Replacement Ratio (ARR) of 13% is proposed for ground improvement as an anti-liquefaction measure with the consideration of reducing settlement and increasing load-bearing capacity as well (Degen, 2006).
The major design issues considered for foundation treatment of main breakwater extension are moderate levels of earthquake accelerations, and associated potential for liquefaction of poor soils under breakwater foundations (Mohab , 2013 and Buddhima, 2015).
According to the liquefaction assessment at main breakwater extension, the loose silty sand was determined to be liquefiable based on a PGA value of 0.12g and M value of 7.5, while the silt was determined to be susceptible to strength reduction. Furthermore, analyses were then carried out assuming that the silty sand is: 1) replaced; and 2) improved. As a result, the maximum earthquake induced displacements were on the order of 60 to 80 centimeters, which is considered acceptable for this type of rubble mound breakwater structure with a 50-year design life in combination with a 100-year return period, as it can accommodate lateral deformation (DHV, 2011).