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Class Information
Number: 175/9
Name: Boring or penetrating the earth > Boring a submerged formation > Boring from nonbuoyant support
Description: Subject matter utilizing a boring means mounted on a structure at or above the surface of the body of water and which structure is so constructed or anchored by means of fixed rigid supports (e.g., piles) as to be nonbuoyant or unaffected by the normal wave or tide action of the body of water.

Patents under this class:
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Patent Number Title Of Patent Date Issued
7284615 Method and system for installing and maintaining a pipeline while minimizing associated ground disturbance Oct. 23, 2007
7255180 Modular drill system requiring limited field assembly and limited equipment support Aug. 14, 2007
6926097 Jack up workover rig with removable workover floor unit Aug. 9, 2005
6901998 Method for using a multipurpose system Jun. 7, 2005
6615915 High pressure side-by-side wellhead system Sep. 9, 2003
6609573 Method and apparatus for a horizontal pipe handling system on a self-elevating jack-up drilling unit Aug. 26, 2003
6409430 Welhead templates Jun. 25, 2002
6374924 Downhole drilling apparatus Apr. 23, 2002
6275758 Method and apparatus for determining a cross slope of a surface Aug. 14, 2001
6247541 Method of drive pipe replacements on offshore platforms Jun. 19, 2001
5441112 Integrated base for oil drilling and production work Aug. 15, 1995
5248003 Apparatus and method for supporting the free end of a cantilever beam of a cantilevered jack-up rig Sep. 28, 1993
5098219 Mobile submersible caisson for underwater oil-well drilling and production Mar. 24, 1992
5012875 Method and apparatus for protecting a shallow-water well May. 7, 1991
4907657 Method for protecting a shallow water well Mar. 13, 1990
4848966 Arrangement in a production platform Jul. 18, 1989
4739840 Method and apparatus for protecting a shallow water well Apr. 26, 1988
4733732 Submudline drivepipe whipstock method and apparatus Mar. 29, 1988
RE32623 Curved offshore well conductors Mar. 15, 1988
4711604 Method of and apparatus for installing an anchor member below water level through a wall into a soil formation Dec. 8, 1987
4633953 Method for offshore production of hydrocarbons concurrently with the installation of a structure therefor Jan. 6, 1987
4591295 Curved conductor well template May. 27, 1986
4561803 Conductor guide system for offshore drilling platform Dec. 31, 1985
4561802 Assembly of conductor guides for offshore drilling platform Dec. 31, 1985
4497372 Anti-twist control system for deviated conductor driving systems Feb. 5, 1985
4483644 Cantilevered mobile marine rig with hydraulic load equalizer Nov. 20, 1984
4456072 Ice island structure and drilling method Jun. 26, 1984
4421173 Motion compensator with improved position indicator Dec. 20, 1983
4415045 Offshore drilling of large diameter holes in rock formations Nov. 15, 1983
4339005 Curved well conductors for offshore platform Jul. 13, 1982
4326595 Method for drilling deviated wells into an offshore substrate Apr. 27, 1982
4307785 Pile driving rig having angulating knuckle lead therefor Dec. 29, 1981
4269542 Jack-up rig for marine drilling May. 26, 1981
4249619 Deviated drilling apparatus Feb. 10, 1981
4249618 Method and apparatus for the working of underwater deposits Feb. 10, 1981
4165690 Drill units for drilling and charge laying operations and method of carrying out the operations Aug. 28, 1979
4147222 Acoustical underwater communication system for command control and data Apr. 3, 1979
4144940 Method and apparatus for installing an offshore pile driving rig Mar. 20, 1979
RE29929 Deviated conductor driving system Mar. 13, 1979
4134461 Marine structure and method of drilling a hole by means of said structure Jan. 16, 1979
4126010 Oscillating installation for installing in a body of water and method for its construction Nov. 21, 1978
4109478 Unitized conductor guide and frame for offshore drilling and production Aug. 29, 1978
4108255 Well drilling apparatus Aug. 22, 1978
4100754 Method and apparatus for installing pipes in off-shore locations Jul. 18, 1978
4081932 Platform crane Apr. 4, 1978
4050590 Drilling rigs Sep. 27, 1977
4045967 Apparatus for supporting a drilling platform on the ocean floor Sep. 6, 1977
4027734 Deviated conductor driving system Jun. 7, 1977
4010798 Method and apparatus for completing underwater well heads Mar. 8, 1977
3996756 Method and apparatus for supporting a drilling platform on the ocean floor Dec. 14, 1976

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