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Top Drive

Top Drive news and technical articles from Oil & Gas Journal. Search Top Drive latest and archived news and articles


    Magazine Articles

    Mon, 16 Jan 2012

    drilling rig to load the drawworks, center steel, and bottom mast sections onto sub. The mast ships in three loads with top drive , service loops, lights, block, and mast-raising cylinders all integrated into the mast. This system also allows for


    Magazine Articles

    Mon, 17 Feb 1992

    000 ft-lb. The load ratings of top drive systems have increased to improve ..... still about 350 offshore rigs without top drive systems that are candidates for retrofitting ..... Systems is the largest manufacturer of top drive systems and has sold 347 units

  3. CNX Gas drills record Marcellus shale well

    Magazine Articles

    Mon, 19 Jan 2009

    to use Crown Drilling Rig No. 7, a Speedstar 185 with top drive and hook load capacity of 185,000 lb. The rig’s maximum ..... of handling a 318,000 lb hook load. CNX Gas added a top drive . The rig drilled the CNX No. 3, CNX No. 2, and CNX No. 2A, and

  4. OTC Spotlight on Technology recognizes 13 innovations

    Magazine Articles

    Mon, 10 May 2010

    Aker Solutions ASA for an AC top drive . • Expro Group for a wireless safety valve system ..... Solutions says its new MH MDDM 1000 top drive is the first true modular derrick ..... interrupting other systems of the top drive . Halliburton says its new InSite

  5. SPECIAL REPORT: Dubai contracts first new Maersk jack up

    Magazine Articles

    Mon, 3 Mar 2008

    handler, block retract system, top drive , and Torque Master iron roughneck ..... Maritime Hydraulic DDM-750-AC top drive is powered by a single air-cooled ..... 2000E is designed for a 750-tonne top drive , while the new MSC jack ups will

  6. Special Report: Unconventional basins require new rig types

    Magazine Articles

    Mon, 1 Feb 2010

    operations (Fig. 1). These rigs have a top - drive joystick that operates the pipe handler rotation ..... roughneck, traveling blocks, and top drive . • Use of PLCs for monitoring and automatically ..... telescoping mast with integrated top drive . • Custom-designed BOP handling and transportation

  7. Canadian drilling pace slows

    Magazine Articles

    Mon, 22 Oct 2007

    contractor developing and operating coil-over- top - drive (COTD) drilling rigs that can handle coil or ..... ft with jointed drill pipe (Fig. 4). The top drive of the XTC 400 coil-over- top - drive rig can swing in and out of the derrick (Fig

  8. Rig concept fills gap between light-mobile and heavy-stationary rigs

    Magazine Articles

    Mon, 3 Dec 2001

    of hinges in the back, with the top drive rails remaining permanently installed ..... string from the bottom of the hole. Top drive ITAG has equipped the rig with a VARCO TDS 9S electrical top drive unit, guided by a two-rail system

  9. PLCs, hydraulics improve slant rig shallow-drilling operations

    Magazine Articles

    Mon, 26 Feb 2001

    single or dual-speed, reversible top drive with integral traveling block and ..... to 10 hr of rig time. "With the top - drive rig, with the pipe already laying ..... efficiency of this particular rig. The top drive can rotate in both directions and

  10. Extended-reach drilling develops Sacate field, offshore California

    Magazine Articles

    Mon, 11 Mar 2002

    ft derrick, 45,000 ft-lb DC top drive , and a 5,000 psi high-pressure ..... connection boxes. Engineers upgraded the top drive stem to 75/8-in. regular connections ..... lb rated mast, a 24,000 ft-lb top drive , and two 850-hp mud pumps. Minor

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