Search results

• Preprocessing of logging data
  ...model used on each well and logging run. Collect all temperature data and mud properties. Determine the top and bottom of the valid logging measurements ...of environmental conditions (such as hole washouts or gas in the drilling mud) should also be deleted. This will result in data gaps, but these are prefe
  13 KB (2,094 words) - 17:42, 18 January 2022
• Core handling
  ...probably the most important and visible feature in wellsite core handling. Mud should be wiped off the core or inner barrel to get a good marking surface. * [[Drilling problems]]
  7 KB (1,083 words) - 20:50, 19 January 2022
• Stratigraphically complex fields
  ...ociated with a stratigraphically complex field include difficulties in (1) drilling and completion and (2) reservoir characterization and management. ===Drilling and completion problems===
  8 KB (983 words) - 20:49, 19 January 2022
• Well completion
  ...s in Appalachia. In a typical open hole completion, casing is set prior to drilling into the producing interval. A nondamaging fluid can then be used to drill ...e of an openhole completion is that production casing must be set prior to drilling and logging the reservoir. If for some geological or engineering reason the
  19 KB (2,910 words) - 21:06, 18 January 2022
• Vitrinite reflectance
  * Drilling mud additives ...rinite reflectance data due to contamination by caving. As a result of the drilling process, immature [[kerogen]] caved into the bore-hole and mixed with drill
  7 KB (970 words) - 14:28, 10 February 2022
• Production testing
  ...roleum Engineers of AIME, 159 p.</ref> A DST is run in the open hole after drilling, and is often used in deciding whether to complete a particular zone. The t ...w valves, and one or two packers. The tool isolates the formation from the mud column in the annulus. When the tool is opened, reservoir fluid can flow in
  14 KB (2,165 words) - 18:42, 20 January 2022
• Critical elements application: Niobrara example
  * Drilling must be conducted with [[Analysis of mud weights|underbalanced mud]] or air to prevent fracture damage. The Niobrara is an [[Causes of underpr
  7 KB (962 words) - 16:03, 18 February 2022
• Oil and condensate analysis
  | Drilling additive or contaminant or formation fluid ...al properties. In addition, samples of drilling mud, load and kill fluids, drilling additives, and wellsite fuel oils and lubricants should be kept until petro
  14 KB (2,013 words) - 16:48, 20 January 2022
• Core alteration and preservation
  During core acquisition and retrieval, the mud filtrate often invades the core. Invasion can displace over half of the nat ...y, pressure differential and relative permeability of the formation to the mud filtrate, and core diameter.<ref name=Basan_etal_1988 />
  20 KB (2,971 words) - 15:46, 19 January 2022
• Drill stem testing
  ...xcessive damage by [[drilling fluid]]s and should be used in designing the mud program. The anticipated reservoir properties are used to design the test s The best time to run a DST is just after drilling through a potential pay zone, when exposure to damaging fluids is minimal a
  26 KB (4,009 words) - 15:09, 24 January 2022
• Utilization of the industrial revolution 4.0 in oil and gas exploration
  ...reserves, then the development stage that is the installation of rigs and drilling the well; finally, the production stage which is the extraction of the oil ...ainable machine learning solution in a real-time drilling system. SPE/IADC Drilling Conference, Proceedings, 2020-March. https://doi.org/10.2118/199603-ms</ref
  21 KB (3,096 words) - 20:59, 21 April 2022
• Introduction to biosteering operation
  ...necessary adjustments while drilling to optimize drilling costs and reduce drilling risks. ...2014>Fadiya, S. L. 2014. Impact of wellstie biostratigraphy on exploration drilling in the deepwater offshore Nigeria. Journal of African Earth Sciences 100: 6
  20 KB (2,916 words) - 21:04, 21 April 2022
• Paleontology
  ...If a species is not abundant at the top of its range, it may be missed in drilling and sampling. ...ocene|Pleistocene}}) muds in the [[Gulf of Mexico]] and offshore Trinidad. Drilling stops when key fossils are encountered, and casing is set to prevent the ho
  17 KB (2,331 words) - 20:11, 10 August 2016
• Data: sources
  ...ffshore. For instance, core taken from a drilling operation on an offshore drilling rig may have cost more than a million dollars to recover. There is an oblig * mud logging data
  43 KB (6,686 words) - 13:44, 18 March 2019
• Oilfield water analysis
  ...lthough this water is usually contaminated with filtrate from the drilling mud. (For more details, see [[Drill stem testing]].) Additional sampling method
  7 KB (1,011 words) - 16:57, 20 January 2022
• Pay determination
  * Ancillary data, including mud logs, drillers' logs, and [[show evaluation]]s ...perature, flowmeter data and production results; observations noted during drilling, including shows
  13 KB (1,799 words) - 19:01, 20 January 2022
• Arecuna field
  ...l drilling in the heavy-oil belt, eastern Venezuela Basin: A postmortem of drilling experiences ...of sandstone and shale, discrete sinuous sandstone-rich belts confined by mud-rich areas, and log-facies architecture are all consistent with deposition
  16 KB (2,381 words) - 19:03, 11 March 2019
• Cross-well electromagnetic tomography monitoring of fluid distribution
  * Infill drilling planning and production optimizations. ...an oil-based mud or a relatively low conductive mud, like freshwater-based mud.<ref name=Schon_2015>J. Schön, Basic Well Logging and Formation Evaluation
  18 KB (2,715 words) - 18:29, 8 February 2024
• Meandering fluvial reservoirs
  ...edded within varying volumes of mud ([[:file:M91FG173.JPG|Figure 2]]). The mud can make up 50% or more of the volume. Channel features, where they survive ...croform]]s found in meander belts include point bars, crevasse splays, and mud-rich channel plugs within a background of floodplain muds. [[Coal]]s are fo
  32 KB (4,727 words) - 21:03, 15 January 2024
• Rock-water reaction
  ...e, can result from the interaction of the reservoir rock with extraneous [[drilling]], [[completion]], [[stimulation]], or [[enhanced recovery]] fluids. Rock-f ...G., 1986, The role of petrographic analyses in the design of non-damaging drilling, completion, and [[stimulation]] programs: Society of Petroleum Engineers P
  17 KB (2,356 words) - 19:24, 19 January 2022

View (previous 20 | next 20) (20 | 50 | 100 | 250 | 500)