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Christmas Tree

Christmas Tree news and technical articles from Oil & Gas Journal. Search Christmas Tree latest and archived news and articles

  1. NEW GENERATION OF WET CHRISTMAS TREE DUE OFF BRAZIL

    Magazine Articles

    Mon, 12 Feb 1990

    Petroleos Brasileiro SA plans to install the first of a new generation of wet Christmas trees in April at the 3 Marimba well in 400 m of water in the Campos basin off Rio de Janeiro. The tree is designed to operate in water as deep as 1,000 ft, but the 3 Marimba installation will afford Petrobras

  2. Oil patch Christmas

    Magazine Articles

    Mon, 2 Dec 2002

    naturally turn to home and memories of Christmases past. Some may recall a trip with Dad to pick out the family's Christmas tree or the aroma of Mom's pumpkin pie. But I was born and raised in the East Texas oil field, so my favorite Christmas

  1. Acid washes, oxygenate scavengers work against gas gathering failures

    Magazine Articles

    Mon, 1 Jul 2013

    much free water right after exit from the wellhead christmas tree and the higher fluid velocity than seen downstream at gas gathering ..... especially in swept bends and flanges near the wellhead's christmas tree (Fig. 3). An inappropriate sizing of the pipeline

  2. Norway's PSA orders Shell to improve well-control procedures

    Magazine Articles

    Mon, 30 May 2011

    safety valve was pulled through the christmas tree , it became stuck and the upper ..... subsurface safety valve. The other christmas tree valves were closed, pressure ..... scope of material damage in the christmas tree was not known at the time of the

  3. Case study: Production benefits from increasing C-values

    Magazine Articles

    Mon, 3 Jun 2013

    interrupting well performance. In addition, the coupons and probes were located immediately after the swept bend of the christmas tree ; the fluid flow turbulence is greater in this section than in the straight well tubing. Turbulence increases erosion

  4. Crude tops $62/bbl

    Online Articles

    Mon, 25 May 2009

    market from dismal summer gas prices. Be it delayed completions, choking back wells, or completely unplugging the Christmas tree , we still believe there will have to be substantial shut-ins this summer." The drop in gas price appeared "completely

  5. Shell’s experience with a Norwegian semisubmersible

    Magazine Articles

    Mon, 11 Aug 2008

    and within budget with difficult rig limitations. For instance, the work required custom-built skids to move the christmas tree and flow base on the rig. SWIT The Ocean Vanguard reequipped from drilling to seabed-based water injection and

  6. ESTIMATING DRILLING COSTS-1: Joint association survey, mechanical risk index methods common in GOM

    Magazine Articles

    Mon, 6 Aug 2007

    the cost through completion and installation of the Christmas tree . Completion costs will typically include the cost ..... metric. A subsea well is one in which the wellhead, Christmas tree , and production-control equipment are located on

  7. GULF UPDATE—1: Gulf of Mexico P&A costs begin to recover from 2005 hurricanes

    Magazine Articles

    Mon, 3 Dec 2007

    MMS provides specific regulations for each operation. • Shut in. A shut-in well is a flowing well that has its christmas tree , master valves, wing valves, and subsea safety value closed. A well is usually shut in because of temporary technical

  8. 'Delivering The Limit' Work-Flow Process Advances Industry's Push For Continuous Performance Improvement In Well Operations

    Magazine Articles

    Mon, 6 Mar 2000

    achieve this, for example, in christmas tree installation; and challenging ..... performed after installation of the christmas tree . Capture real-time operational ..... different times needed to achieve christmas tree installation across the NBU platforms

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