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Annulus

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Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 9–10, 2022
Paper Number: SPE-209882-MS
... Abstract Sustained annulus pressure is an increasingly common well integrity issue encountered particularly in aging platforms. The issue is normally discovered via periodic wellhead maintenance programs or during monitoring by the production team. Subsequently, the wells integrity team...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-210220-MS
... and injection operations. Many operators have established systems for operating wells within this design envelope to monitor for pressure excursions. However, abnormal annulus pressure behavior within the design envelope could be overlooked using a system that relies on limit monitoring and excursions...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 1–3, 2022
Paper Number: SPE-211946-MS
... analysis. upstream oil & gas wellbore design cement sheath cement chemistry cement property deformation petroleum engineer cement formulation society niger delta simulation formation casing annulus cement sheath rebound cement slurry casing and cementing wellbore integrity cement...
Journal Articles
Journal: SPE Journal
SPE J. (2022)
Paper Number: SPE-210585-PA
Published: 20 June 2022
...Bangtang Yin; Shaowei Pan; Xuxin Zhang; Zhiyuan Wang; Baojiang Sun; Hongtao Liu; Quan Zhang Summary Gas-oil two-phase flow usually occurs during gas influx into the wellbore annulus of deepwater drilling with oil-based drilling fluid or gas-oil production from the wellbore annulus. A flow pattern...
Includes: Supplementary Content
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31808-MS
... MATS is built on a waterproof case and features a control panel with quick coupling adaptors for hydraulic connections. ATEX certified pressure, temperature, and flow rate sensors for the pipe annulus are installed inside. The control panel allows for a second pressure sensor to be installed...
Proceedings Papers

Paper presented at the SPE Western Regional Meeting, April 26–28, 2022
Paper Number: SPE-209339-MS
.... Annular Gas handling system (AGHS) is part of those projects, aiming to improve well production systems. Gas accumulation in the annulus is a well-known operational condition which may lead, depending on the volume and associated gas, to ESP production system issues (gas lock). With this in mind...
Proceedings Papers

Paper presented at the Offshore Technology Conference Asia, March 22–25, 2022
Paper Number: OTC-31351-MS
...Abstract Abstract This paper discusses the design, development and testing of an optimized subsea wellhead annulus seal. Historically annulus seal qualification and validation testing requirements are defined in API 6A and API 17D requiring a PR2F temperature and pressure cyclic test program...
Proceedings Papers

Paper presented at the AMPP Annual Conference + Expo, March 6–10, 2022
Paper Number: AMPP-2022-17898
.... Wire specimens were tensioned in four-point bending jigs and exposed to different simulated annulus environments at high CO 2 partial pressure. Unloaded specimens were exposed to the same test environments and corrosion rates were calculated from their mass loss. Artificial sea water solutions...
Journal Articles
Journal: SPE Journal
SPE J. 26 (06): 3544–3560.
Paper Number: SPE-205360-PA
Published: 15 December 2021
...Kui Liu; Shidong Ding; Shiming Zhou; Qian Tao; Linhai Zhang; Rengguang Liu; Deli Gao Summary Annulus pressure buildup (APB) problems in shale gas wells seriously affected on the safety and efficient exploitation of shale gas all around the world. The sealing failure of the cement sheath...
Journal Articles
Journal: SPE Journal
SPE J. 26 (06): 3805–3818.
Paper Number: SPE-204472-PA
Published: 15 December 2021
...Yitong Hao; Yingjie Tang; Taoufik Wassar; Matthew Albert Franchek; Jay Pickett Summary Presented is a steady-state computational-fluid-dynamics (CFD) analysis of flow through a thick sharp-edge annulus (i.e., an orifice integrated with a rigid concentric cylinder, creating annulus flow conditions...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 15–18, 2021
Paper Number: SPE-208114-MS
... sustained annulus pressure (SAP). The solution restores double barrier integrity in the well and provides reliable real time annulus pressure and temperature data. It also has the functionality to autonomously bleed-off the annulus pressure at a pre-determined set point. As a result, the nature and severity...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 15–18, 2021
Paper Number: SPE-208212-MS
... This require manual intervention to periodically visit the disposal wells and record the parameters in the log book. Unattended water disposal wells can result in annulus back pressures which can cause immediate danger to environment, assets and people and can in turn, bring down the reputation...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 15–18, 2021
Paper Number: SPE-207752-MS
... into the fractured or caving formation. This technique then gain benefit from its capacity to receive annulus fluid while at the same time manage the annulus integrity. This is accomplished by the combination of light annular mud in the annulus and sacrificial fluid in pumped down the drill string while drilling...
Proceedings Papers

Paper presented at the SPE Symposium: Decommissioning and Abandonment, November 30–December 2, 2021
Paper Number: SPE-208492-MS
... plugs. The requirement states that the internal plug must be drilled out and a logging operations must be performed to verify the annulus cement. However, there were concerns highlighted by both PWC Contractor as well as Cementing with drilling out the internal plug. As mentioned before, the barrier...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 12–15, 2021
Paper Number: SPE-206629-MS
... Abstract The monitoring of sustainable annulus pressure (SAP) in offshore wells plays an important role in the development of an oil reservoir with a massive gas cap. The method of spectral noise logging and high-precision temperature logging used to identify SAP source presented in work...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 12–14, 2021
Paper Number: SPE-205822-MS
... The wellbore annulus is filled with thermal insulation test fluid during deep water gas well testing, whose purpose is to reduce the heat loss of oil and gas in the tubing. In the low temperature section of seawater, the annular fluid is prone to natural convection due to the large temperature...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206323-MS
.... However, the pulse radiated by the flexural wave packet into the annulus may be reflected by the third interface, the interface with the formation or outer casing. The inner casing is fairly transparent to this reflected pulse so that it can also be picked by the receivers with significant amplitude...
Journal Articles
Int. J. Offshore Polar Eng. 31 (03): 347–353.
Paper Number: ISOPE-21-31-3-347
Published: 01 September 2021
... with the integrity of the insulation material around the inner pipe and within the annulus of the PIP system. Loss of thermal performance and potential cold spots along any pipeline can result in blockages, reduced flow rate, and expensive remediation. If externally constrained by burial or similar, the high strain...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31302-MS
... a combination of sonic and ultrasonic tools deployed inside tubing to characterize the near well bore environment and in particular, the annular fill and bond behind the outer casing, i.e. in annulus B. Extensive modeling and experiments were used to characterize the sonic response in a dual string geometry...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 2–4, 2021
Paper Number: SPE-208255-MS
... Abstract Sustained Annulus Pressure (SAP) is a common production constraint in the oil and gas industry, it is usually caused by impaired seal Integrity within the wellbore system resulting in barrier failures. In peculiar scenarios the thermal expansion creates pressure build-up in the annulus...

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