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Keywords: circulation
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Journal Articles
J Pet Technol 74 (02): 53–55.
Paper Number: SPE-0222-0053-JPT
Published: 01 February 2022
... Copyright 2021, International Petroleum Technology Conference well control circulation controller complete paper managed pressure drilling hydraulic model pore pressure upstream oil & gas bhp drilling parameter fracture pressure technical paper drilling automation surface pressure...
Journal Articles
J Pet Technol 72 (05): 70.
Paper Number: SPE-0520-0070-JPT
Published: 01 May 2020
.... Evaluation of cement jobs continues to be an important topic, and paper SPE 199578 validates ultrasonic evaluation techniques in simulated downhole well conditions. Extra reading includes lost circulation, expanding cements, and plug and abandonment operations.I am pleased to note that each...
Journal Articles
J Pet Technol 71 (02): 42–43.
Paper Number: SPE-0219-0042-JPT
Published: 01 February 2019
... at the panel included, from left: Blasingame, Brett, Fattahi, Ben Naceur, Capello, and Judah (speaking). DiverterPlus develops multiple new products. DiverterPlus developed multiple products to expand the applications and perfor- mance of lost circulation control materials for cementing and drilling...
Journal Articles
J Pet Technol 71 (01): 72–74.
Paper Number: SPE-0119-0072-JPT
Published: 01 January 2019
... and response time, total influx volume, and reservoir drawdown. Furthermore, after the SSBOP is closed, the conventional well-control response is subject to significant residual risks in the form of stuck pipe, lost circulation from chokeline friction, and the exceeding of kick tolerance. Finally, closing...
Journal Articles
J Pet Technol 71 (01): 56–57.
Paper Number: SPE-0119-0056-JPT
Published: 01 January 2019
... cement isolation. Estimation of Channel Size Fluid-flow calculations and a hydraulic simulator were used to estimate the size of channels in the cement. The calculations were based on the real data of treated-water circulation. The circulation was established between the production tubing...
Journal Articles
J Pet Technol 70 (05): 54–56.
Paper Number: SPE-0518-0054-JPT
Published: 01 May 2018
... the operational region where an influx has been detected in the wellbore and the influx can be circulated safely to surface within the boundaries of the primary wellbore barrier. The Red region defines the conditions in which it is deemed that some limits of the primary barrier would be exceeded during...
Journal Articles
J Pet Technol 70 (01): 18–20.
Paper Number: SPE-0118-0018-JPT
Published: 01 January 2018
... cement plug drillpipe Completion Installation and Operations perforated interval cement plug perforation Technology Update swab cup casing and cementing Washing cement base rock-to-rock barrier circulation path one-trip barrier system circulation firing head port regulatory requirement...
Journal Articles
J Pet Technol 70 (01): 58.
Paper Number: SPE-0118-0058-JPT
Published: 01 January 2018
...Otto Luiz Alcantara Santos Technology Focus Nonaqueous drilling fluids have been used extensively by the industry, particularly in complex drilling scenarios. They carry some concerns, however, related to environmental issues and higher initial cost, potential for lost circulation, effect...
Journal Articles
J Pet Technol 69 (09): 72–74.
Paper Number: SPE-0917-0072-JPT
Published: 01 September 2017
... system. These refer, respectively, to whether the OBC components are deployed in a single trip along with the ICD or in a second trip with string in the previously deployed ICD completion. The one-trip OBC ICD completion does not allow an inner-string application. Therefore, circulation while running...
Journal Articles
J Pet Technol 68 (06): 56–57.
Paper Number: SPE-0616-0056-JPT
Published: 01 June 2016
... fluid through a restricted area. The FR decreases the circulating pressure, enabling higher pump rates to be achieved. A rheology-control unit uses electric variable-frequency-drive pumps to add FR and other chemicals to the fluid and to provide the ability to change dosage on the fly. These pumps...
Journal Articles
J Pet Technol 68 (06): 67–69.
Paper Number: SPE-0616-0067-JPT
Published: 01 June 2016
...-trip string down, it was decided to pull out with the BHA and cement back the hole and prepare for a sidetrack. A considerable amount of cuttings and 10% mechanical cavings were circulated out during this wiper trip. An 8½-in. sidetrack was performed immediately below the 9?-in.-casing shoe...
Journal Articles
J Pet Technol 67 (11): 78–79.
Paper Number: SPE-1115-0078-JPT
Published: 01 November 2015
..., and they can be added to both oil- and water-based fluids. A density reduction of up to 2.086 lbm/gal is possible when using HGSs. HGS addition helps reduce density and, consequently, the effective circulating density (ECD). Addition of HGSs to a lightweight drilling fluid allows consistent, stable properties...
Journal Articles
J Pet Technol 67 (06): 101–103.
Paper Number: SPE-0615-0101-JPT
Published: 01 June 2015
... Annular-pressure-while-drilling (PWD) data are commonly available through measurement-while-drilling (MWD) services and have the potential for fluid-level detection. But until recently, mud-pulse technology could provide data only during dynamic conditions when the circulation rate exceeded a minimum...
Journal Articles
J Pet Technol 67 (04): 128–131.
Paper Number: SPE-0415-0128-JPT
Published: 01 April 2015
... excessive equivalent circulating densi- ty (ECD) on the wellbore while in mo- tion. It was also decided that the mud cap should be separated from the drilling fluid by a high-viscosity pill of predeter- mined length. The viscous pill was made by adding viscosifier to the mud samples taken from the rig...
Journal Articles
J Pet Technol 67 (02): 30–35.
Paper Number: SPE-0215-0030-JPT
Published: 01 February 2015
..., open-to-atmosphere circulating fluids systems for safety, economic, and/or technical reasons. In deeper water, pressure on exposed formations created by a tall column of annulus returns in marine risers grossly overbalances many reservoirs, resulting in a higher proportion of undrillable prospects...
Journal Articles
J Pet Technol 67 (02): 84–86.
Paper Number: SPE-0215-0084-JPT
Published: 01 February 2015
... somewhat different drivers, given that a number of wells in this field had previously encountered challenges that MPD could mitigate. These included low rates of penetration and fracture-induced losses because of the equivalent-circulating-density (ECD) effect. Managing the ECD became the main driver...
Journal Articles
J Pet Technol 66 (11): 106–109.
Paper Number: SPE-1114-0106-JPT
Published: 01 November 2014
... and chemical treatments or combinations of both. This paper describes an innovative temperature-activated RSF system used for water and gas shutoff in near- wellbore (NWB)_applications. Another problem discussed in this paper is severe lost circulation while drilling. Uncontrolled losses to the formation...
Journal Articles
J Pet Technol 66 (09): 126–129.
Paper Number: SPE-0914-0126-JPT
Published: 01 September 2014
... a coded tag through an antenna-equipped downhole tool to actuate it. Using this technology, an upper-completion system comprising a packer, circulation sleeve, and downhole-barrier valve has been developed that is controlled by a single RFID module, thus providing a means to control the installation...
Journal Articles
J Pet Technol 66 (06): 101–103.
Paper Number: SPE-0614-0101-JPT
Published: 01 June 2014
..., which is now below saturation pressure. The reservoir pressure has declined dramatically, making it necessary to provide a gasified fluid system to avoid lost-circulation problems while drilling. 1 6 2014 1 6 2014 1 6 2014 1 6 2014 2014. Society of Petroleum Engineers...
Journal Articles
J Pet Technol 65 (11): 128–131.
Paper Number: SPE-1113-0128-JPT
Published: 01 November 2013
... capable of being fully logged and evaluated and, at the same time, providing effective hole cleaning with minimum effect on equivalent circulating density. The fluid has been successful in wells with temperatures from 400 to 428°F and mud weights from 11.7 to 14.5 lbm/gal. Introduction Historically...

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