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Keywords: cement
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Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the ADIPEC, October 31–November 3, 2022
Paper Number: SPE-211510-MS
... Abstract For more than 15 years, foamed cementing has been deployed on wells drilled in the Fahud and Natih fields of North Oman. The production section targets the Natih formation, a fractured Mesozoic hydrocarbon-bearing carbonate sealed by the Fiqa above and the Nahr Umr shale below...
Proceedings Papers

Paper presented at the ADIPEC, October 31–November 3, 2022
Paper Number: SPE-211500-MS
... during the 9 5/8" casing deployment. 9 5/8" Casing Deployment, Cementing and MEP Expansion A detailed Statement of Requirements (SOR) was reviewed to ensure correct selection of the MEP products and a finalized product specification agreed as summarized in Table 1 . Abstract Operators...
Proceedings Papers

Paper presented at the ADIPEC, October 31–November 3, 2022
Paper Number: SPE-211757-MS
... Abstract Drilling and cementing through surface sections with highly active shallow gas formations is seriously challenging. In order to save employees lives and maintain a safe working environment, wells are designed with careful consideration of mud weight, drilling and mud parameters, while...
Proceedings Papers

Paper presented at the ADIPEC, October 31–November 3, 2022
Paper Number: SPE-211599-MS
... the studied section highlighted the effects of diagenesis on reservoir properties with calcite cementation significantly reducing the reservoir quality (i.e., lower porosity and permeability). In contrast considerable micro and macropore enhancement due to secondary dissolution appears to negate the effects...
Proceedings Papers

Paper presented at the ADIPEC, October 31–November 3, 2022
Paper Number: SPE-211722-MS
... criteria enhanced recovery cement observation well incorporating mmv requirement consideration cable subsurface storage requirement platform methodological engineering approach upstream oil & gas objective designing injector climate change b-annulus carbonate construction carbonate ccs...
Proceedings Papers

Paper presented at the ADIPEC, October 31–November 3, 2022
Paper Number: SPE-211160-MS
.... Conventionally, well abandonment operations are performed by cementing the wellbore utilizing a drilling rig and its facilities, which is the main driver for the relatively high P&A cost. Here is where the method/initiative of "Rigless abandonment" came into play. This technique replaces the use of drilling...
Proceedings Papers

Paper presented at the ADIPEC, October 31–November 3, 2022
Paper Number: SPE-211282-MS
... succession porosity upstream oil & gas reservoir characterization diagenesis sharjah microtexture micrite dissolution cretaceous kharaib formation micropore cement variation allochem assemblage Introduction The Barremian-Aptian, Kharaib Formation of the Thamama Group is one...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 15–18, 2021
Paper Number: SPE-207416-MS
... Abstract One of the greatest historically unsolved challenges to date in the United Arab Emirates is the failure to effectively cure the severe losses due to poor zonal isolation during drilling and cementing aquifer formations in particular the Dammam, UER & Simsima formations...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 15–18, 2021
Paper Number: SPE-207399-MS
... sections in the Permian Basin are common and vary across the basin. This, coupled with the regulations to circulate cement to surface make it critical to accurately estimate the actual hole volume for cementing. In this case, the operator planned to pump 200% excess over true (gauged) hole cased annular...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 15–18, 2021
Paper Number: SPE-207264-MS
..., which are difficult to control with conventional lost circulation solutions while drilling surface sections. Novel lightweight thixotropic cement has proven beneficial to take control of severe losses in these vugular and naturally fractured limestone formations. The main challenge while drilling...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 15–18, 2021
Paper Number: SPE-208112-MS
... Abstract In conventional well design, the cement sheath acts as one of the primary barriers of protection in the well integrity matrix. Once the wellbore cement is set, the well is exposed to various conditions and environments over time which can impact the integrity of the cement, the results...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 15–18, 2021
Paper Number: SPE-208115-MS
... Abstract This paper discusses the value of cement logs as the core input to analyze the cement quality and validate the improvements made to cementing designs and practices of the intermediate casing string in Extended-Reach Drilling (ERD) wells. The ERD wells are being drilled from artificial...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 15–18, 2021
Paper Number: SPE-208122-MS
... Abstract As oil and gas operators are constantly looking for ways to increase efficiency in their operations, one area of well construction that is becoming increasingly popular is in the field of foam cementing. Foamed cement slurries are designed to have low density with relatively high...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 15–18, 2021
Paper Number: SPE-208182-MS
... Abstract Well Cementing can be divided into two phases – primary and remedial cementing. Primary cementing may have 3 functions: casing support, zonal isolation and casing protection against corrosion. First two functions are commonly recognized while the third one might be a point...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 9–12, 2020
Paper Number: SPE-203193-MS
... Abstract Well integrity is a critical issue for oil and gas companies. The failure of a wellbore integrity can result in financial consequences, have environmental impacts, and could damage a company's reputation. Cement placement is one of the most critical components with respect to ensuring...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 9–12, 2020
Paper Number: SPE-202635-MS
... across formation A several attempts were done to cure them prior to continue drilling or prior to run in hole and cement the casing / liner. And different types of curing materials were used: Standard LCM pills with concentration 170 to 250 ppb. Intruder pill, the mixture of 30 ppb LCM, 2.5 ppb...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 11–14, 2019
Paper Number: SPE-197918-MS
... reservoir unconventional hp ht well Shell Exploration recommendation Upstream Oil & Gas cement tortuosity drilling operation drilling fluid Wellhead high pressure high temperature Abu Dhabi deyab formation well integrity operation drilling recommendation frac string Drilling society...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 11–14, 2019
Paper Number: SPE-197255-MS
... The average accuracy of each category was as follows: grain was 80.9%, cement was 74.1%, pore was 85.0%, and limemud was 76.4%. Relatively speaking, grain and pore had a high accuracy whereas cement and limemud had a low accuracy. The dimensions of the training data and label data were 512...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 11–14, 2019
Paper Number: SPE-197807-MS
...Objectives of the primary cementing The main objective of primary cementing is to achieve zonal isolation. From well integrity point of view it means to have external (behind the casing) permanent mechanical well barrier. Referring to Norsok D10 Rev4 standard, it has to be minimum of 50 meters...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 11–14, 2019
Paper Number: SPE-197149-MS
... Abstract Objectives/Scope Perforate, Wash & Cement (PWC) is a method developed over the past decade to help increase efficiency in plugging & abandonment of wells. The method has helped operators world-wide to save time and cost in plugging and abandonment operations by cutting down...

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