Zobrazeno 1 - 10
of 53
pro vyhledávání: '"U.B. Sathuvalli"'
Autor:
John Okoroafor, Ndubuisi Nwamara, U.B. Sathuvalli, P. V. Suryanarayana, Sami Affes, Anamika Gupta, Rahul M. Pai
Publikováno v:
Day 2 Wed, March 04, 2020.
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be6819866f892cc8d73485ac9e44981b
https://doi.org/10.2118/199561-ms
https://doi.org/10.2118/199561-ms
Autor:
P. V. Suryanarayana, R. Alexa Gonzalez, U.B. Sathuvalli, Parveen Sachdeva, Rahul M. Pai, Robert M. Pilko
Publikováno v:
SPE Drilling & Completion. 32:168-183
Summary Subsea wells use annular-pressure-buildup (APB) mitigation devices to ensure well integrity. We define mitigation techniques that control APB by reducing lateral heat loss from the production tubing to the wellbore as Type I techniques. Mitig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::310ab4a852171f4217b4a0909e804d17
https://doi.org/10.2118/178886-pa
https://doi.org/10.2118/178886-pa
Autor:
U.B. Sathuvalli, P. V. Suryanarayana
Publikováno v:
SPE Drilling & Completion. 31:273-285
SummaryDuring production in prolific high-temperature wells, the forces exerted by the inner strings can cause noticeable wellhead motion (WHM). The thermal forces created by the inner strings are balanced by the structural casing and by the friction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5ceca9bb91d0557042a426e330d58a48
https://doi.org/10.2118/180437-pa
https://doi.org/10.2118/180437-pa
Autor:
U.B. Sathuvalli, R. M. Pilko, Rahul M. Pai, P. V. Suryanarayana, P.. Sachdeva, R. A. Gonzalez
Publikováno v:
Day 3 Thu, March 03, 2016.
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9b089407b5c9ec7b54cace3033ad109
https://doi.org/10.2118/178886-ms
https://doi.org/10.2118/178886-ms
Publikováno v:
SPE Drilling & Completion. 20:238-250
Summary Pressure testing blowout preventers (BOPs) with synthetic-based mud (SBM) requires lengthy testing times resulting from pressure/volume/temperature (PVT) influences associated with SBM. PVT influences are especially pronounced indeep water an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dbb62ce72d1a3479c0dc3327fc923f45
https://doi.org/10.2118/87155-pa
https://doi.org/10.2118/87155-pa
Publikováno v:
SPE Drilling & Completion. 17:210-223
Summary This paper addresses a problem pertinent to the design of landing strings and drillstrings for deepwater operations. These landing strings are designed to run long and heavy casings, tiebacks, or liners (typically deep intermediate and produc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa08ed7f6e0b00a3d450966b8fc800a5
https://doi.org/10.2118/80169-pa
https://doi.org/10.2118/80169-pa
Autor:
U.B. Sathuvalli, Yildiz Bayazitoglu
Publikováno v:
IEEE Transactions on Magnetics. 29:88-97
The excitation coil used in electromagnetic-levitation melting consists of a few turns of copper tubing wound over a length of a few centimeters. The behavior of the field and the Lorentz force on a conducting specimen in it are studied for a typical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e3160200ce042451aab78914eeaeabc
https://doi.org/10.1109/20.195552
https://doi.org/10.1109/20.195552
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Autor:
Stephen Groves, Stephen C. Morey, Nicholas Piskurich, S.W. Gosch, Aine Maeve Fitzgerald, David Pattillo, U.B. Sathuvalli
Publikováno v:
All Days.
This paper describes the material selection for tubing in water injection wells for deepwater applications. It details the qualification and deployment of an alternative to duplex corrosion resistant alloy (Duplex-CRA) tubing, including the testing w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d566d260f67ec093b746bf35cb0e7c5
https://doi.org/10.2118/115313-ms
https://doi.org/10.2118/115313-ms
Publikováno v:
All Days.
Barite sag is the undesirable fluctuation in drilling mud density that occurs due to downhole settling of the weighting agent. Barite sag causes problems such as differential sticking, lost circulation, and can lead to serious well control events. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36fc73904cd5c3419154ad3775fb753f
https://doi.org/10.2118/110404-ms
https://doi.org/10.2118/110404-ms