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Keywords: hpht
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35079-MS
... Abstract Pipeline design for high pressure/high temperature applications (HPHT) requires the use of heavy walled pipe up to 2" thickness. This leads to enhanced pipe chemistry & complexity for girth weld fabrication, particularly when sour service requirements are specified. Subsea 7...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35080-MS
... As subsea developments move into deeper waters, high pressure and high temperature (HPHT) becomes a major concern when establishing the safe operation and structural integrity of subsea pipelines susceptible to lateral buckling (LB). Theoretically, the lateral buckling of HPHT pipelines may...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35256-MS
... and qualify 20K subsea production equipment in accordance with American Petroleum Institute (API) standards and new API high pressure, high temperature (HPHT) recommendations. HPHT equipment design and qualification required review by an I3P for the approval of HPHT equipment. A prototype to production (P2P...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35491-MS
... monitoring of the deployed wellhead system. A fit-for-purpose wellhead system for high pressure, high temperature (HPHT) applications was developed with enhanced performance in structural and fatigue loading. The wellhead system has been fully verified using advanced analysis tools and validated with full...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2024
Paper Number: OTC-35100-MS
... to the lateral buckling behavior and associated industry-imposed limit states. A rigid 8-inch HPHT production flowline is investigated for each of the parameters described. Finite-element models are used to investigate the lateral buckling behavior in virtual-anchor-spacing (VAS) models. Conclusions...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32329-MS
... Abstract API Technical Report 17TR8: High Pressure – High Temperature (HPHT) Design Guidelines (API 17TR8) contains detailed guidelines on design methodology, material property requirements, design validation testing of pressure-containing and pressure-controlling components along with special...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32305-MS
... Abstract In the search for attractive hydrocarbon resources, geological targets are often encountered that are designated as high-pressure, high-temperature (HPHT). To ensure an HPHT well meets or exceeds design life, a very thorough design review is needed for all aspects of the well...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32203-MS
... Abstract Objectives/Scope The bottom hole circulating temperature of horizontal wells can be higher than those of vertical wells. That risk is compounded in HPHT slim-hole applications where static geothermal temp can reach 320°-350° F. The combination of horizontal wellbore geometry, HPHT...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2023
Paper Number: OTC-32237-MS
.... MQC/J-Plate for High Pressure High Temperature (HPHT) has complied with all requirements of TRL 6. The new 20k MQC allows for the ultra deepwater development utilizing the existing 15k reliable, field proven MQC system with minor modifications. New coupling bodies were developed to enable this high...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-32118-MS
... the possibility of intervention and rig-time loss, all-in-all a step towards lowering our carbon-footprint. reservoir characterization complex reservoir thermal stability grain size hpht mechanical property sustainable development sustainability grain growth nano-composite formulation application...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31125-MS
... Abstract Deepwater well containment capabilities were born out of necessity – over the last 10 years the industry has innovated and improved upon capabilities and is currently focused on developing the systems required for, new high pressure, high temperature (HPHT) wells scheduled...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31167-MS
... Abstract An operator was developing a High-Pressure High-Temperature (HPHT) field in the U.S. Gulf of Mexico (GOM). Completion design for the injector wells was cased-and-perforated, with no mechanical sand control. This led to the requirement for a tubing-conveyed perforating (TCP) system...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31217-MS
... Abstract Significant depletion in reservoir pressure, huge uncertainties in pore and fracture pressure, high overburden pressure on top of reservoir, Narrow Mud Weight Window (NMWW) and Partial/Total losses whilst entering the reservoir made these HPHT (High Pressure High Temperature) wells...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-30987-MS
... good chemical resistance in the NORSOK M710 test, positioning PEKK as a strong candidate for demanding Oil & Gas applications, such as O-rings, seals or electrical connectors. hpht high pressure high temperature resistance oil & gas industry barrier property complex reservoir poly...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-30945-MS
... under high pressure and/or high temperature (HPHT). operational safety drilling equipment hpht high temperature extrusion resistance critical tear pressure annular pressure drilling elastomer compression load contingency planning upstream oil & gas christmas tree mechanical design...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-30999-MS
... Abstract Subsea HPHT components may be evaluated utilizing a fracture mechanics-based approach as per guidelines in API RP 17TR8 and ASME Section VIII Division 3. Typically, the assessment is performed based on methods described in API 579-1/ASME FFS-1 and BS7910. The analysis is performed...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31109-MS
... Abstract Subsea production systems have been using API-specified methods and detection criteria for nondestructive examination (NDE) for equipment up to 15,000-psi rated working pressure. With higher pressure requirements and use of methods for evaluation of the fatigue life of HPHT equipment...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31051-MS
... and developed that are defined as High Pressure and/or High Temperature (HPHT) these loading conditions become even more arduous. In order to ensure the integrity of HPHT components, industry requirements for components are setout in API 17TR8. This technical report provides a design verification methodology...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31252-MS
... and components to the offshore industry. materials and corrosion material property operation flowline corrosion riser corrosion densification application climate change upstream oil & gas heat treatment hpht defect hip system hip process pipeline corrosion material system porosity hip...

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