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Keywords: cement
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32508-MS
... operation was successful relative to prior attempts with conventional methods. The intersect and following abandonment process were not completed without lessons learned. Hole conditions, an up-hole casing exit junction, and custom cement blends were a few of the areas of focus for future improvement...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32419-MS
... Abstract Oilfield cements have been an integral part of any drilling operation and forms the primary barrier when it comes to ensuring wellbore integrity. The strength of the cement layer is one of the primary factors that confirms the success of the drilling job and ensures the well remains...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31719-MS
.... The stiffness and mass of the elements dictate the resonance frequencies at which sound is strongly attenuated. A specially engineered particulate filler has been added to cement formulations to create a fine composite. Local resonance within the micro-scale particles causes the cement to act...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32003-MS
... challenges involved in the storage of hydrogen in the depleted oil and gas reservoirs is related to wellbore integrity. When hydrogen is injected or produced in the subsurface, it may get bin contact with cement around the wellbores. Hence it is necessary to investigate the effects of hydrogen interacting...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31319-MS
... Depending on the type of material in the annulus, different echoes arise: For liquid annulus, only compressional waves are supported and there is one type of echo. For fast cement, only the shear wave is excited and detected, after conversion into a pressure wave in the logging fluid. For a slow...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-30938-MS
... is a technology landscaping study which addresses plug and abandonment permanent barrier material options, particularly alternatives to cement. The adopted method identifies criteria and assesses the relevant technologies and associated techniques. The evaluation is compared using the NASA Technology Readiness...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30666-MS
... Well integrity is very important for well operation in oil and gas industry. Advanced technologies and analyses have been developed to ensure well integrity. One of the most important analysis to be done is the evaluation of the cement bond which measures the presence and bonding of cement...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30895-MS
... Abstract Casing collapse resistance is one of the key factors in well integrity design especially for production casings and the aim of the current study is investigating the physical phenomena that define the mechanism of failure in presence of two concentric cemented casing strings. Collapse...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28897-MS
... Abstract Well abandonment is often not thought of as a crucial part of a well's life. As such, traditional methods of abandoning a well utilizing cement and bridge plugs are still common practice among most operators throughout the world. Although resins have been utilized by some...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-29021-MS
... Abstract Cementing is an integral part of well construction. Cement provides the seal, protection, and support for the casing to maintain the strong barriers that isolate the well. The benefits of cement are well known and a compendium of knowledge on well cement design and durability has been...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28751-MS
.... resistivity vipulanandan electrical resistivity drilling fluid selection and formulation drilling fluid chemistry rheological property sbf plastic viscosity drilling fluid property variation offshore technology conference nanoclay concentration cement ester upstream oil & gas drilling...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27581-MS
... Foamed cement has been used extensively across a variety of applications for oil and gas well cementing, including deepwater riserless cementing, low fracture gradient cementing, horizontal well cementing, steam injection well cementing, and high-pressure/high-temperature (HP/HT) cementing...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27893-MS
... Abstract The bond between casing and cement placed in the annulus is an important aspect to wellbore construction. Bond is inferred after the cement has cured using acoustic methods well-known in the industry. This evaluation is dependent on the acoustic coupling between the cement and the pipe...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27919-MS
... Abstract MPD enables drillers to navigate through narrow drilling windows to reach designed target depths. After a hole section is drilled, pressure management is still required to pull drill strings out and run and cement liners. Conventional cementing programs and procedures may...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-26963-MS
... Abstract Deepwater drilling and cementing have been a challenge due to the low temperature at seabed, low fracture gradients, shallow water flow, gas hydrates, etc . Foamed cementing is one of the best practices that have been used for deep water wells. Dry foam stabilizers have been used...

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