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Keywords: mud weight
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Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 22–24, 2016
Paper Number: SPE-180556-MS
... drilling issues experienced in the shales comprised of tight spots, packs-off, etc. To optimize the drilling process and minimize the risks while penetrating the shales, a decision to conduct a geomechanical study was made. The geomechanical study was focused not only on improvement of the mud weight...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 22–24, 2016
Paper Number: SPE-180544-MS
... Duvernay Formation wellbore mud weight mmd drilling window Bh Ecd annular pressure drilling fracture lcm squeeze kpa sbp choke MPD system operation fracture gradient case study Drilling fluid losses can be one of the most costly problems that take place while drilling. This occurs...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 22–24, 2016
Paper Number: SPE-180593-MS
... mud weight drilling operation circulation cement MPD system hole section formation pressure ASBP operator well control annular pressure drilling pore pressure liner stroke counter fracture gradient pressure window drill pipe connection cc system valve influx well control matrix...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 22–24, 2016
Paper Number: SPE-180574-MS
... formation pressure data, as the formation pressure profile is mapped while drilling. managed pressure drilling pp event formation pressure backpressure annular pressure drilling BHP SBP well pore pressure analysis facilitated post well pore pressure analysis Upstream Oil & Gas mud weight...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 25–27, 2014
Paper Number: SPE-170550-MS
... selection and formulation drilling fluid formulation lubricant marble novel lubricant concentration mud weight agent combination cure differential reservoir section non-reservoir section resilient graphite pipe incident pore pressure differential sidetrack packer filter cake drilling fluids...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 25–27, 2014
Paper Number: SPE-170554-MS
... drilling (MPD). MPD has enabled personnel to workover these wells at a 20% reduced mud weight, preventing stuck pipe and fishing related NPT. This paper summarizes Saudi Aramco's experience gained during the working over of a well where drilling two formations together enabled the target hole size to be...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 25–27, 2014
Paper Number: SPE-170472-MS
... maximum density of 12.5 ppg to reduce the impacts of solids in the mud. For the first time, maximum mud weight of 17.8 ppg was achieved operationally using micromax (Mn 3 O 4 ) in this WBM. Also, for the first time in Kuwait, this kind of fluid was used to drill the section with the inclinations above 60...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 25–27, 2014
Paper Number: SPE-170496-MS
... 16,000 to 19,000 ft., with possible strength retrogression because of temperatures, narrow difference of pore and frac pressure, mud weight ranges of 19.5 to 20.0 ppg, three liner systems, and a seven string casing policy. Encountered difficulties have included inability to displace from the string, wet...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 25–27, 2014
Paper Number: SPE-170528-MS
... 4 will be added at the onshore mud plant the decision was made to use an existing field mud as a seed mud which could be adapted for HPHT conditions. Table 2 Fluid properties pre-ageing Test Units Value Mud Weight lb / gal 16.25 Emulsion Stability mV 1341 HTHP...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, August 25–27, 2014
Paper Number: SPE-170475-MS
... Figure 4 SmartDrill Process Figure 5 BK wells' WBS and mud weight window studies The BK A-1 well had a planned Formation Integrity Test (FIT) at the 13 3/8″ casing shoe, planned to confirm the offset data and mud weight window for drilling the 12 ¼”. hole section. The mud...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, July 9–11, 2012
Paper Number: SPE-155580-MS
... depths, hole sizes, temperature effects and proposed mud weights. This resulted in an improved prediction of the pressure windows for each of the proposed hole sections. Each hole section was in turn reviewed for optimal mud weights and this included a detailed review of equivalent static, equivalent...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, July 9–11, 2012
Paper Number: SPE-155695-MS
... and 12 days respectively. This has resulted in an average cost saving of $450,000USD in time and materials in the 311.1mm section and 215.9mm section. drilling operation oilfield mud weight hole section drilling efficiency strength spe 155695 average rop salt layer abrasiveness...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, July 9–11, 2012
Paper Number: SPE-156221-MS
... control the weak bedding and anisotropic failure, stronger mud weights were needed than were in the original plan. The required mud weight for maintaining stability varies depending on wellbore trajectory and bedding characteristics. The usagee of high mud weights is unfavorable because of possible...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, July 9–11, 2012
Paper Number: SPE-156249-MS
... measurement while drilling to monitor and optimize the mud weight system in real-time for drilling efficiency enhancement as well as potential drilling hazard mitigation. The RSS Jet-In and Drill-Ahead BHA achieved 83% improvement in Rate Of Penetration compared to the Mud Motor BHA. It also improved the...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, July 9–11, 2012
Paper Number: SPE-156510-MS
... wellbore integrity pore pressure gradient mud weight normal compaction trendline trendline pore pressure profile drilling magnitude gradient scenario differential pressure Geopressure-related problems are estimated to cost the oil and gas industry billions of dollars a year in lost wells...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 25–27, 2008
Paper Number: SPE-114670-MS
... regime and well failure with the significance of choosing proper mud weight and drilling parameters using a proper mechanical earth model from a nearby offset well. It includes an assessment of the major risks expected during drilling the horizontal section and also indicates magnitude of failure that...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 25–27, 2008
Paper Number: SPE-114697-MS
... model, horizontal well stability predictions were performed and indicated that horizontal sections can be drilled with low mud weight allowing the well to have some yield/failure. Open horizontal well sanding onset prediction indicated that the depth and width of a breakout (or plastic zone if reservoir...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 25–27, 2008
Paper Number: SPE-114687-MS
... casing program. casing design asmari formation Upstream Oil & Gas casing and cementing hydraulic expander pipe cost evaluation liner diameter limestone mud weight international association of drilling contractors expandable openhole liner drilling operation running experience...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 25–27, 2008
Paper Number: SPE-114649-MS
... graphs were given in Fig. 3 and Fig.8. Mud weight The mud weight used for drilling the hard brittle shale formation using the conventional polymer drilling fluids had to be kept as high as above 1.25g/cm3. Otherwise, the borehole instability occurred inevitably. It is not strong enough in inhibitive...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, November 13–15, 2006
Paper Number: SPE-103330-MS
... high pressure profile, high mud weights, severe losses and well control situations. During the initial short term test the well produced gas, condensate/light oil along with highly saline water which caused salt plugging of tubing and surface lines. Plans are in hand to re-enter the well for long term...

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