Drilling Mud

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  1. BP starts flushing Macondo subsea equipment before pressure tests

    Online Articles

    Online Articles

    Thu, 19 Aug 2010

  2. A primer on underbalanced drilling

    1. Drilling mud weighted with bentonite or other heavy material is used to create a hydrostatic head pressure that keeps the well under control by overbalancing the formation pore pressure. This is called "conventional drilling" today.

    Magazine Articles

    Magazine Articles

    Mon, 1 Dec 2003

  3. CORE TESTS HELP PREVENT FORMATION DAMAGE IN HORIZONTAL WELLS

    Tim Beatty, Barry Hebner, Randy Hiscock PanCanadian Petroleum Ltd. Calgary D. Brant Bennion Hycal Energy Research Laboratories Ltd. Calgary Simulating drilling mud invasion in cores helped determine and eliminate the damaging effects of various mud systems prior to the drilling of a horizontal well ...

    Magazine Articles

    Magazine Articles

    Mon, 2 Aug 1993

  4. MUD BASED CEMENTING MATERIAL CUTS DRILLING COSTS

    Shell Development Co. has introduced a downhole cementing system that does not contain conventional Portland cement but instead consists of blast furnace slag and drilling mud . Shell said it can save operators thousands of dollars per well in drilling costs. Shell Offshore Inc. has used the ...

    Magazine Articles

    Magazine Articles

    Mon, 26 Oct 1992

  5. Shaker Screens—API standardizes criteria for solids separation

    New API guidelines for testing and labeling shaker screens should simplify the screen selection process and provide screens that will efficiently filter cuttings from drilling mud .

    Magazine Articles

    Magazine Articles

    Mon, 20 Feb 2006

  6. AIR DRILLING HAS SOME PLUSES FOR HORIZONTAL WELLS

    Richard S. Carden Grace, Shursen, Moore, & Associates Inc. Amarillo, Tex. Drilling horizontal wells with air as the circulating medium is not a common practice; however, air has some distinct advantages over drilling mud . They are: Significant increase in rate of penetration which leads to shorter ...

    Magazine Articles

    Magazine Articles

    Mon, 8 Apr 1991

  7. Offsite oil field waste disposal varies across U.S.

    These drilling mud disposal pits are in Ector County, Tex. (photo courtesy of Russ Hickerson). These disposal pits in Ector County, Tex., are filled with solids and then covered by soil (photo courtesy of Russ Hickerson). Cost and availability of offsite commercial oil field waste disposal vary ...

    Magazine Articles

    Magazine Articles

    Mon, 17 Nov 1997

  8. PYRAMID SHAKER SCREENS HELP REDUCE OIL MUD LOSSES

    Dietmar Neidhardt Oiltools International (Cayman) Ltd. Dubai U.A.E. The use of corrugated pyramid screens on a dryer in second stage mud and cuttings cleaning helped recover a large volume of oil-based drilling mud to save more than $60,000 in mud costs. Amoco Sharjah Oil Co. has conducted an ...

    Magazine Articles

    Magazine Articles

    Mon, 17 Jul 1995

  9. New model predicts oil, synthetic mud densities

    New model predicts oil, synthetic mud densities A simple equation allows engineers to model downhole drilling mud densities for several types of base fluids.

    Magazine Articles

    Magazine Articles

    Mon, 25 Apr 2005

  10. Depressant replaces mechanical method for removing blockage

    A viscosity depressant proved effective for replacing the time-consuming mechanical methods for removing heavy oil blockages during the drilling of wells in the Tarim basin of China.

    Magazine Articles

    Magazine Articles

    Mon, 2 Nov 2009

  11. RJD revitalizes mature Kansas oilfield

    The benefits of horizontal drilling are not limited to previously undeveloped fields or by lithography.

    Magazine Articles

    Magazine Articles

    Mon, 6 Oct 2014

  12. Salt-gypsum bed complicates Tarim horizontal drilling

    The Yingmaili gas-condensate field in the Tarim area of western China required various technologies to drill horizontal wells through a thick salt-gypsum bed.

    Magazine Articles

    Magazine Articles

    Mon, 4 Apr 2011

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