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Keywords: isolation
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Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 10–12, 2023
Paper Number: SPE-215486-MS
... Abstract An operation in Malaysia successfully implemented coiled tubing (CT) expandable steel patches to isolate upper depleted zones so that lower gas zones could be produced. This serves to prove the technique as a method that can be used in top-down gas production isolate & perforate...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202292-MS
... Abstract Following the successful proof of concept of the closed system dual casing perforate, wash and cement for environmental plug application in 2018 (SPE-193989-MS), the same system was optimized for 2 subsea wells to isolate a gas sand behind 2 casings (9-5/8" × 13-3/8" × 16" open hole...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-191972-MS
... undesirable. Depending upon the nature of the zone, one effective solution to this issue is chemical isolation. This paper undertakes this issue, discussing a case study of a successful zonal isolation operation using an organically crosslinked polymer sealant in a fractured zone with a gravel pack and screen...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192044-MS
... The SINGLE GAUGE gauges are used for artificial lift and hydraulic fracture performance optimization. MULTIPLE GAUGEgauges are used for zonal isolation monitoring, especially ground water modeling and gas injection performance evaluation. SINGLE GAUGE Reservoir Monitoring Technology...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-191953-MS
... injector wells. For the intermediate and production section, front-end design started back in Q4 2015, a year before the project spud date. Important well information such as zonal isolation objectives, formation pore pressure, fracture gradient, temperature, potential flow zone, formation of interest...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192096-MS
... on actual hole conditions from cementing contractor were also key supplementary post-job execution data evaluated together to ultimately qualify the required cement isolation. Cementing Scorecard The cementing scorecard comprised of 22 key parameters that are assessed to contribute to a successful...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192136-MS
... in an injector well. A low concentration, low viscosity delayed crosslinker gel system employing partially hydrolyzed polyacrylamide (PHPA) exhibiting 12-14% degree of hydrolysis level with chromium acetate as crosslinker offering delayed gelation time was used to selectively isolate one of the payzones. A non...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186955-MS
... Well #2 was completed on May 2013 as single string oil producer with a SAS, multiple swell packers for zonal isolation and a bottom double valve float shoe. It was completed at Sand A, Sand B, Sand C and Sand D. It was produced commingle from all completed sands with an average production of 300...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186298-MS
... to a previously producing well in a challenging application. The paper will also include relevant notes on operational time optimization derived from the field implementation as well as pre and post-treatment production information. The paper describes details on overcoming the challenge of effectively isolating...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186905-MS
... and justified with risk base analysis. strategic planning and management Upstream Oil & Gas isolation platform maintain integrity xmas tree Preservation project management inspection integrity installation valve operation gt preservation society of petroleum engineers non productive...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186976-MS
... petrophysical property of coal should be factored into the design to meet the basic tenets of primary cementing (i.e., zonal isolation and casing support). This paper presents cement design considerations, case histories, and best practices developed during the course of seven years of cementing operations...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, October 25–27, 2016
Paper Number: SPE-182451-MS
... Abstract Degradable diverters are commonly used in multistage fracturing to increase the number of fractures along the wellbore and provide temporary isolation. Still, interpreting the effects of a diverter downhole remains challenging. In this paper, a nonintrusive monitoring technique...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 20–22, 2015
Paper Number: SPE-176301-MS
... Abstract Well integrity has an utmost importance for upstream operations that has resulted in many studies to improve zonal isolation. Few papers comprehensively investigated the elements involved in cementing service delivery that are conducive to both well integrity and zonal isolation...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 20–22, 2015
Paper Number: SPE-176152-MS
... formation testing and sampling strategy has been adapted. The reservoir fluid evaluation was postponed until the open hole was cased. The formation evaluation with Wireline Formation Tester (WFT) was performed in two stages, the first stage was to confirm the presence of cement isolation at the hydrocarbon...

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