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Proceedings Papers

Paper presented at the Offshore Technology Conference Asia, March 22–25, 2022
Paper Number: OTC-31689-MS
... to 175 deg C) to surface will resulted in significant heat transfer to adjacent casing & its annulus fluids, and lead to annular pressure build-up (APB). High APB will lead to loss of well integrity via 13-3/8" intermediate casing burst and 9-7/8" production casing collapse if left unmitigated...
Journal Articles
SPE Drill & Compl 37 (01): 93–103.
Paper Number: SPE-196179-PA
Published: 09 March 2022
...Subhadip Maiti; Himanshu Gupta; Aditya Vyas; Sandeep D. Kulkarni Summary Annular pressure buildup (APB) is caused by heating of the trapped drilling fluids (during production), which may lead to burst/collapse of the casing or axial ballooning, especially in subsea high-pressure/high-temperature...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199561-MS
... Abstract The average geothermal gradient in the subject deepwater field in Nigeria is 4.37 °C/100 m, nearly twice the gradient in most fields. As a result, the magnitude of the expected annular pressure build-up (APB) during steady state production is large enough to threaten well integrity...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-196179-MS
... Abstract Annular Pressure Build-up (APB) is caused by heating of the trapped drilling fluids (during production) which may lead to burst/collapse of the casing or axial ballooning, especially in subsea HP/HT wells. The objective of present paper is to apply machine-learning tools to increase...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 14–16, 2017
Paper Number: SPE-184618-MS
... Abstract Annular pressure buildup (APB) is a major concern in high pressure, high temperature (HP/HT) well design. High temperature hydrocarbon production increases wellbore temperature significantly, inducing a large APB as a result of annular fluid thermal expansion. Vacuum-insulated tubing...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 14–16, 2017
Paper Number: SPE-184725-MS
... Abstract A wide variety of annular pressure buildup (APB) mitigation techniques have been deployed in the past two decades. In the early 2000s, BP focused efforts on the development and implementation of rupture disks, nitrified foam spacers, syntactic foam modules and vacuum insulated tubing...
Proceedings Papers

Paper presented at the SPE Deepwater Drilling and Completions Conference, September 14–15, 2016
Paper Number: SPE-180308-MS
... HPHT Upstream Oil & Gas volumetric strain densification stage casing design high pressure high temperature Simulation multisection linear model correlation HP HT well society of petroleum engineers elastic compressibility annular pressure buildup apb management syntactic foam APB...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 1–3, 2016
Paper Number: SPE-178807-MS
... Abstract Manufactured to burst/collapse at a specific pressure difference and installed in the casing wall, a rupture disk is a common device used to mitigate annular pressure buildup (APB) and to protect casing strings. This paper focuses on the modeling and simulation of the effects...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 1–3, 2016
Paper Number: SPE-178886-MS
... Abstract Subsea wells use Annular Pressure Build-up (APB) mitigation devices to ensure well integrity. Type I mitigation techniques control APB by reducing radial heat loss from the production tubing to the wellbore. Type II techniques work by controlling the stiffness (psi/°F) of an annulus...
Proceedings Papers

Paper presented at the OTC Brasil, October 27–29, 2015
Paper Number: OTC-26294-MS
... with potential or identified Annulus Pressure Buildup (APB) problems, especially at offshore fields. Historical failure examples happened at the Marlin field and at the Ponpano A-31 well, both in the Gulf of Mexico. The objective of this article is to present several alternatives for mitigating this problem...
Proceedings Papers

Paper presented at the CORROSION 2015, March 15–19, 2015
Paper Number: NACE-2015-5689
... Abstract Biocorrosion of metal pipelines in the oil and hydrocarbon industry is frequently linked to the presence of Sulfate Reducing Bacteria (SRB) and Acid Producing Bacteria (APB). Suggested mechanisms of SRB induced corrosion are an accumulation of corrosive metabolites like hydrogen...
Proceedings Papers

Paper presented at the SPE Deepwater Drilling and Completions Conference, September 10–11, 2014
Paper Number: SPE-170262-MS
... Abstract Annular pressure build up (APB) is an important problem in the area of well design. Different solutions have been proposed to mitigate APB, including vacuum-insulated tubing, silicate foam wellbore insulation techniques, and insulating with completion (packer) fluids. However, proposed...
Proceedings Papers

Paper presented at the CORROSION 2015, March 15–19, 2015
Paper Number: NACE-2015-6083
.... Don t Just Blame the SRBs and APBs for MIC. Brett Geissler, Carrie Keller-Schultz, and Vic Keasler NALCO Champion, an Ecolab Company 7705 Highway 90-A Sugar Land, TX 77478 brett.geissler@nalco.com ABSTRACT Microbiologically influenced corrosion has historically been attributed to the activity...
Images
Images
<span class="search-highlight">APB</span> estimates for the subsea well scenario based on base-oil density values...
Published: 09 March 2022
Fig. 10 APB estimates for the subsea well scenario based on base-oil density values [ ρ = f ( P ,   T ) ] provided by the RF ML algorithm. More
Images
<span class="search-highlight">APB</span> estimates for the subsea well scenario based on base-oil density values...
Published: 09 March 2022
Fig. 11 APB estimates for the subsea well scenario based on base-oil density values [ ρ = f ( P ,   T ) ] provided by the ANN ML algorithm. The error bars in APB estimates correspond to percent average error in ANN-based density values. More
Images
<span class="search-highlight">APB</span> estimates for the subsea well scenario based on base-oil density values...
Published: 09 March 2022
Fig. 12 APB estimates for the subsea well scenario based on base-oil density values [ ρ = f ( P ,   T ) ] were provided by the SVM ML algorithm. The error bars in APB estimates correspond to percent average error in SVM-based density values. More
Images
Error estimates in <span class="search-highlight">APB</span> predictions for the subsea well scenario based on ba...
Published: 09 March 2022
Fig. 13 Error estimates in APB predictions for the subsea well scenario based on base-oil density values [ ρ = f ( P ,   T ) ] provided by the three ML algorithms for Annuli A and C. More
Images
Percentage of wells with <span class="search-highlight">APB</span> problem before and after PABP method is used i...
Published: 15 December 2021
Fig. 21 Percentage of wells with APB problem before and after PABP method is used in two shale gas zones. More
Images

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