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Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205938-MS
...Abstract Abstract Objectives/Scope A 60-year-old well exhibited a leak at the surface and sustained annuli pressure (SAP) in all three annuli - A, B and C. The age of the well coupled with the symptoms suggested a complex multi-barrier failure scenario that needed to be diagnosed quickly...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Health, Safety, Environment, and Sustainability, July 27–30, 2020
Paper Number: SPE-199380-MS
... The safety profession has started the journey to using barrier based risk modelling in order to better understand how risks are controlled. The analysis and breakdown into barriers allows the identification of the control elements that are used in risk mitigation. One of the most useful means...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 13–15, 2020
Paper Number: IPTC-19996-MS
... The reliability of subsurface barrier valves has long been an industry problem. This can lead to costly interventions, especially in deepwater subsea markets. This paper describes the world's first deployment of multicycle barrier valves in 2 subsea wells in Australia. These valves use...
Proceedings Papers

Paper presented at the SPE Europec featured at 81st EAGE Conference and Exhibition, June 3–6, 2019
Paper Number: SPE-195447-MS
... correlation between those methodologies represents a challenge as a result of formation complexity, heterogeneity, and limitations of evaluation technologies. It is well-known that some areas in the Vaca Muerta formation contain layers that can act as fracture barriers and are responsible for fracture...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Health, Safety, Security, Environment, and Social Responsibility, April 11–13, 2016
Paper Number: SPE-179214-MS
... Abstract Barrier Analysis has become a key element in managing major hazards and process safety, including and increasing attention from regulators for barriers and barrier management. In practice however the quality of the barrier analysis is often very poor and differences in understanding...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Health, Safety, Security, Environment, and Social Responsibility, April 11–13, 2016
Paper Number: SPE-179364-MS
... Abstract Barrier management is a main priority area for the Petroleum Safety Authority Norway (PSA). This has been chosen as a main priority as a result of accident investigations clearly indicating that failure or weakening of barriers is a general cause of incidents. The lesson learned...
Journal Articles
Journal: Corrosion
Corrosion 55 (08).
Paper Number: NACE-99080805
Published: 01 August 1999
...X.Q. Ma; Y.M. Rhyim; H.W. Jin; C.G. Park; M.C. Kim ABSTRACT Zirconia (ZrO2)-based thermal barrier coatings (TBC) have been developed to improve the durability of the hot section of gas turbine engines and their efficiency.1-3 In state-of-the-art TBC systems, a duplex coating usually is used...
Journal Articles
SPE Drill & Compl (2022)
Paper Number: SPE-199654-PA
Published: 03 May 2022
... for an indefinite term. A mechanism that may be exploited to simplify well abandonments is using natural shale or salt formations for the creation of annular barriers. Currently, uncemented annuli often require casing cutting and pulling or milling before abandonment plugs can be set, which necessitates the use...
Journal Articles
SPE Drill & Compl (2022)
Paper Number: SPE-208782-PA
Published: 03 May 2022
...Eric van Oort; Akshay Thombare; Munir Aldin; Alex Lucas Summary It is well-known that formations that exhibit active creep behavior under downhole conditions, such as reactive shales and mobile salts, can form annular barriers across uncemented or poorly cemented annular sections behind casing...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Norway Subsurface Conference, April 27, 2022
Paper Number: SPE-209536-MS
...Abstract Abstract Settled barite is a flexible material which can be compared with unconsolidated sand slurry barrier materials. It is consisted of different particles with density of 4.2 sg and in combination with additives in drilling fluid (e.g., bentonite, xanthan gum, cuttings) can create...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Improved Oil Recovery Conference, April 25–29, 2022
Paper Number: SPE-209462-MS
... act as a pressure barrier by usurping most of the downstream driving force for oil displacement. Polymer injection pressures must be limited. The maximum allowable injection pressure is commonly constrained by caprock integrity, injection equipment, and/or regulations, even though fractures can...
Proceedings Papers

Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference Asia, March 22–25, 2022
Paper Number: OTC-31383-MS
... in the region. An operator was planning to break the barrier of the hottest well in offshore Vietnam. Bottom hole pressure and temperatures for this well were predicted to be around 12,000 psi and 200 deg C, respectively. Designing and delivering a dependable zonal isolation barrier was paramount to the success...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 22–23, 2022
Paper Number: SPE-208993-MS
.... Within six months after the plug installation, tubing and annulus pressure began increasing, indicating fluid was leaking past the plug & prong. As a result, the well required a new barrier with an additional integrity verification method. A V0 rated Medium Expansion Retrievable Bridge Plug (ME...
Proceedings Papers

Paper presented at the AMPP Annual Conference + Expo, March 6–10, 2022
Paper Number: AMPP-2022-17961
... at a more economical price. FRP corrosion resistant equipment consists of a chemical resistant resin reinforced with fiberglass. In order to determine the proper resin and corrosion barrier construction for a specific chemical service, resin coupons are evaluated in the laboratory (per ASTM C581) as well...
Proceedings Papers

Paper presented at the AMPP Annual Conference + Expo, March 6–10, 2022
Paper Number: AMPP-2022-17669
... makes the major contribution to corrosion protection. Since the 1950's when the use of FRP started for corrosion service, inspectors have assessed the condition of the polymer that has been exposed to chemical corrosion to determine if the corrosion barrier is fit for service. There is no consensus...
Proceedings Papers

Paper presented at the AMPP Annual Conference + Expo, March 6–10, 2022
Paper Number: AMPP-2022-18194
... Abstract For corrosion protective coatings to be successful, they rely, to a great extent, on having a satisfactory barrier property, signifying the coating's inherent ability to withstand the permeation of seawater and oxygen. Aluminum flakes have for several decades been used to enhance...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208782-MS
...Abstract Abstract It is well-known that formations that exhibit active creep behavior under downhole conditions, such as reactive shales and mobile salts, can form annular barriers across uncemented or poorly cemented annular sections behind casing strings. Such creep barriers can simplify well...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208691-MS
... casing followed by a second leakpath through shallow formation, second cemented casing, or seal assembly. While there are well established casign design criteria for WCA, annulus cement integrity is usually assumed, even being part of the same barrier system. The top of hydraulic isolation (HID...
Proceedings Papers

Publisher: International Petroleum Technology Conference
Paper presented at the International Petroleum Technology Conference, February 21–23, 2022
Paper Number: IPTC-21977-MS
... is to present how a fit-for-purpose foam cement system contributed to delivering a dependable barrier for a True-One-Trip Ultra-Slender well, where a single barrier shall provide wellbore mechanical integrity and competent isolation from the reservoir to seabed. The methodology for this foam cement job involved...
Journal Articles
SPE Drill & Compl 36 (04): 900–912.
Paper Number: SPE-204132-PA
Published: 15 December 2021
... (HSE) impacts. Examples include loss of well control (LoWC), offshore vessel collision, and dropped objects. The central risk team developed bowties for these risks, with prevention barriers on cause legs and mitigation barriers on consequence legs. Detailed risk bowties are fundamental to wells self...

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