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Reserves estimation of thin oil columns

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Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Norway Subsurface Conference, April 27, 2022
Paper Number: SPE-209543-MS
... the largest ongoing tie-in project to Alvheim, adding reserves of approximately 40 mmboe. Producing a thin oil column such as Gekko presents significant subsurface challenges. Such a development will require targeted technologies and multi-disciplinary coordination. Successful development will reinforce...
Proceedings Papers

Paper presented at the SPE Middle East Oil and Gas Show and Conference, March 11–14, 2007
Paper Number: SPE-105113-MS
... Bahrain Field 2 SPE 105113 Following is a list of the main issues of concern when estimating and classifying oil reserves in the mature Bahrain field. - Heavy Oil and Tar - Reservoir with mixed oil types - Compartmentalization - Oil wet system - Fluid transfers through faults - Thin oil column below gas...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 15–17, 2011
Paper Number: IPTC-14687-MS
... images has been applied to recover bypassed reserves. Recent reservoir surveillance data and an updated model identified significant remaining thin oil column reserve in the reservoir's attic locations. As targets become thinner and more difficult to reach and stay within, accurate lateral placement...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2013
Paper Number: IPTC-16662-MS
...-permeability reservoir accumulated in attic locations, while the reserves of low-permeability reservoirs remained unproduced despite years of commingled production with the high-permeability reservoirs. A new horizontal drilling program was initiated in 2007 to target the 3 m to 5 m thin attic oil column...
Journal Articles
J Pet Technol 44 (04): 496–501.
Paper Number: SPE-20975-PA
Published: 01 April 1992
... to a maximum of 35% within 22 hours. Therefore, from the beginning it was apparent that water con- ing would be a problem in any conventional development of such a thin oil column. Structural mapping problems were en- countered in 1981 when Well Q/I-15 was drilled to prove reserves 1.6 km [ 1 mile...
Proceedings Papers

Paper presented at the Southeast Asia Show, February 21–24, 1984
Paper Number: SPE-12408-MS
... was 50 percent giving to a reserve OT+ n 7< -;ll{nn STQ cmnpared with . , - * - . ~ .0 million S?B predicted by the radially symmetrical simulation model. Using this approach estimates of reserves per weii varied from 0.2 to ].G million STB. Currently beaked reserves for the N-1 oil column are 9 million...
Journal Articles
J Pet Technol 43 (08): 914–973.
Paper Number: SPE-20715-PA
Published: 01 August 1991
...S.C. Lien; Knut Seines; S.O. Havig; Torgeir Kydland Summary An 11-month horizontal well production test was performed offshore Norway inthe giant Troll gas field to prove performed offshore Norway in the giant Trollgas field to prove possible thin oil zone reserves. The oil column in the testarea...
Proceedings Papers

Paper presented at the SPWLA Asia-Pacific Regional Conference, March 1–4, 2020
Paper Number: SPWLA-APRC20-07
... ABSTRACT The paper highlights the application of multi-component induction logging and formation pressure testing &amp; sampling for determining oil column in a deep-water Pliocene turbidite formation composed of thin sand interbedded with shale. In such cases, conventional petrophysics using...
Proceedings Papers

Paper presented at the Nigeria Annual International Conference and Exhibition, July 31–August 2, 2006
Paper Number: SPE-105985-MS
..., production policy, and reserves estimation. Considering the relativity of the term ‘thin’, in the context of this work, thin oil rims are those that " will cone either water or gas, or both, when produced at commercial rates". This definition also applies to the so-called ultra-thin oil columns...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, September 9–11, 2003
Paper Number: SPE-80475-MS
... down as planned. 2. The key success in using a horizontal well technology to develop marginal oil reserve in a thin oil column of a stacked reservoir system is the ability to accurately estimate the volume of oil in place and drive mechanism from production data. This was done effectively by first...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, April 27–30, 2003
Paper Number: SPE-81090-MS
... SPE 81090 Finding New Limits with Horizontal Wells in a Thin Oil Column in the Mahogany Gas Field, Offshore Trinidad Mackow, H. Michael, bp, Trinidad, Milliken, Mike, bp, Trinidad, Trujillo, Jorge, bp, Trinidad, Stephen, Andy, bp, Trinidad Copyright 2003, Society of Petroleum Engineers Inc...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, July 31–August 2, 2017
Paper Number: SPE-189169-MS
... reserves. All the four wells have been successfully drilled and completed, with the wells landed successfully within the thin oil column, at the optimized distance from the fluid contacts, with the wells producing at &lt;0.55 percent water cut. Initial production performances of the four wells are in line...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 15–18, 2021
Paper Number: SPE-207972-MS
... of current rate (oil, gas, water), peak rate (oil) and reserves/ estimated ultimate recovery (EUR) Productivity Index (PI) of horizontal and vertical wells Productivity improvement factor (PIF) with respect to offset vertical/deviated well. Productivity Improvement Factor (PIF) of each horizontal well...
Proceedings Papers

Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-067
... of approximately 9,500 to 10,000 ft (Heck et al., 2002). Although the Bakken Formation is very thin compared to other oil producing horizons, it has recently attracted much attention because its extremely high carbon content places it among the richest hydrocarbon source rocks in the world. Estimates of original...
Proceedings Papers

Paper presented at the SPE/DOE Improved Oil Recovery Symposium, April 3–5, 2000
Paper Number: SPE-59352-MS
... of their potentially large effect on reservoir economics. In one example from the literature (Heymans 3 ) a 90 foot thick transition zone, in an edge-water drive reservoir with nearly a 1000 foot oil column, contributed more than 30% of the estimated original oil in place. Rigorous volumetrics and material balance...
Proceedings Papers

Paper presented at the SPE Oil and Gas India Conference and Exhibition, January 20–22, 2010
Paper Number: SPE-128013-MS
... Abstract Residual hydrocarbons occur in a range of habitats and can take various forms: they may be oil or gas, they may be present within high-quality or poor reservoirs; and may appear as a single palaeo-column or as thin columns interspersed with beds of producible hydrocarbons. Residual...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 16–18, 2000
Paper Number: SPE-64385-MS
... in thin oil columns has been met with relevant data presentation and discussion. In summary, for the cases under study, the paper shows: · Horizontal wells in thin oil columns provide larger drainage areas and thus more reserves compared to conventional wells as they show almost twice the contacted...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 8–10, 2002
Paper Number: SPE-77896-MS
... to as Maui A, and the southwestern anticline Maui B, see Figure 1. The field produces gas from two hydrocarbon columns from reservoirs within the Eocene Kapuni Group. The shallower, largest column occurs within the C Sands; and although predominantly gas filled, has a very thin oil rim in the Maui B Area...
Proceedings Papers

Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference Asia, March 22–25, 2022
Paper Number: OTC-31365-MS
... was also targeted. So, the well trajectories were designed to chase the sweet zone while avoiding the oil/water contacts (OWCs) as much as possible. A new horizontal well drilling campaign was planned to further improve the reserves recovery of the remaining thin oil column, which required accurate control...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, February 2–4, 2010
Paper Number: SPE-126675-MS
... contact and drainage area. The lateral targets and remaining oil reserves are in attic thin oil columns in clean sands and shaly sands. Since the oil column is thin at the top of a clean sandstone reservoir with strong bottom water drive, early water break through can occur even when the lateral is well...

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