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Keywords: circulation
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Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 27–29, 2018
Paper Number: SPE-191019-MS
... with Positive Displacement Motor Hole Cleaning and wellbore stability in the high angle and long opened hole section Higher torque, drag and side force while drilling Difficulty for wireline logging Operation Difficulty for casing running operation Lost circulation issue while cementing...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 27–29, 2018
Paper Number: SPE-190991-MS
... reached stable. Well shutdown was carried out in case of overflow up to 220gal and turned to the normal killing procedure. Nearbalanced or micro-overbalanced drilling was assumed and lost circulation was controlled less than 220gal/hr. The wellhead pressure was controlled under 580psi during...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 27–29, 2018
Paper Number: SPE-191033-MS
... This study will present exact circulating temperature profiles in complex subsea wellbores and specifically consider the following scenarios that have been ignored or approximated in previous studies For subsea wellbores, segment breaks will also occur at the mean sea level (MSL) and mudline...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 27–29, 2018
Paper Number: SPE-191061-MS
... drilling deeper through the loss zone in a single run in a more effective and efficient and a safer way. Nondirectional casing drilling technology was introduced to solve this problem. The casing drilling system simultaneously drills and runs the casing through the lost circulation zone in a single run...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 27–29, 2018
Paper Number: SPE-191074-MS
... connection valve. Constant circulation is achieved during drillstring connections via the side-entry connection valves in the CCD subs, while isolating the top drive and open top of the drill pipe with the ball valves. The CCD system subs are manufactured from AISI 4145M steel. The material properties...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 22–24, 2016
Paper Number: SPE-180544-MS
... equivalent circulating density (BH ECD) at 1495 kg/m 3 , showed 283 liters losses. Due to continued losses into Winterburn Formation, 1.5 m 3 of 1100 kg/m 3 LCM pill was mixed, spotted into the annular and then squeezed on top of the formation. The LCM squeezing operation was started by applying 11,500...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 22–24, 2016
Paper Number: SPE-180571-MS
... Abstract Potential reservoir formation damage was avoided when curing up to 87.4 m3/hr (550 barrels per hour (bbl/hr)) losses of drilling fluid in a carbonate reservoir. In addition to traditional lost circulation assessment and treatment consideration, self-degrading fibers were used as part...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 22–24, 2016
Paper Number: SPE-180593-MS
... Abstract Previous offset wells drilled in the layered sandstone differentially pressured reservoir formations offshore Malaysia in 1341m water depth, using conventional open system drilling techniques, had experienced lost drilling fluid circulation and hydrocarbon gas kick events, resulting in...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 22–24, 2016
Paper Number: SPE-180645-MS
... company casing design circulation expandable liner hanger torque recommendation Upstream Oil & Gas ELH liner liner hanger new heavy wall operator This work was develop in an extra heavy oil field located in the waters of the Campeche Bay. One of the principal challenges of the field...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 25–27, 2014
Paper Number: SPE-170545-MS
... circulation during drilling and cementing operations often resulting in poor cement bond logs and failed Top of Cement (TOC) requirements. The common practice to address these well integrity problems is to apply lost circulation material and low density cementing systems designed at 10.5 to 11.0 ppg. This...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 25–27, 2014
Paper Number: SPE-170554-MS
...) wells. The campaign saw a dramatic increase in non-productive time (NPT) due to differential sticking and loss of circulation as well as difficulty in working over these wells conventionally. Subsequently, Saudi Aramco started a campaign in late 2012 to workover these wells utilizing managed pressure...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 25–27, 2014
Paper Number: SPE-170501-MS
... Figure 1 Bridging material tester with different slot sizes Abstract Wells drilled into gas bearing carbonate reservoirs in offshore Sarawak are prone to severe lost circulation issues. In the first 3 exploration wells, total losses were encountered after drilling 20 m into the...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 25–27, 2014
Paper Number: SPE-170557-MS
... improved hydraulics and lower equivalent circulating density (ECD). The drilling fluid encompassed excellent temperature stability with no weighting agent sag and no high-temperature gelation observed after remaining static for five days at BHT during wireline logging. In this respect, it eliminated the...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, July 9–11, 2012
Paper Number: SPE-155699-MS
... Hebei oilfield and TABNAK gas field of Iran. Based on the investigation, it is clearly incorrect that the leakage of Sinkiang Baiquan-1 Well is attributed to fractured leakage or rupture leakage, but should be considered as differential pressure leakage. The lost circulation in Eastern Hebei oilfield is...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, July 9–11, 2012
Paper Number: SPE-155694-MS
... Abstract Casing running operation is a crucial step in drilling a wellbore. With more and more horizontal wells and extended-reach wells are drilled, there is an increasing demand for a technology, which will be able to circulate the drilling fluid and rotate the casing while lowering it...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, July 9–11, 2012
Paper Number: SPE-156191-MS
... & gas high pressure gypsum salt formation high temperature resistance ability water sensitive formation drilling fluids and materials resistance inhibition temperature resistance ability drilling fluid property drilling fluid system circulation incident iadc spe 156191 resistance ability...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, July 9–11, 2012
Paper Number: SPE-155831-MS
... challenges encountered in drilling operations including total loss of circulation, low penetration rate, high temperature damage of directional drilling steering tools and mud motors, breakdown of drilling foam structure at high temperatures, high drill string torque, loss of cement slurry and others. By...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, July 9–11, 2012
Paper Number: SPE-156373-MS
... and temperature variation is required to understand the distribution of mud density and rheology over the depth and to ensure that the dual gradient drilling operation is able to be conducted in a safe manner. As dual gradient drilling introduces additional circulation and injection lines, the...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, November 1–3, 2010
Paper Number: SPE-133735-MS
... Abstract A composite blend for controlling lost circulation has been developed on the base of a new four-step methodology. This blend exhibits superior performance over conventional treatments and eliminates missing loss-zone diagnosis and characterization. Fighting lost circulation is a...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, November 1–3, 2010
Paper Number: SPE-135859-MS
... locations often do not provide sufficient hydrostatic pressure head to maintain well control in deep, high-pressure formations without having to use excessively high mud weights. The Darai Limestone is drilled with an air-foam mixture, as 100% lost circulation is typical. The karstification of this...

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