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| Number | Title | Issue Date |
| 7337726 | Wind farm An offshore wind farm comprises a plurality of wind turbines. In order to provide such a wind farm with transport between separate wind turbines that can be effected more safely and with less dependence on weather, cable connection is provided between the wind turbi... | 03/04/2008 |
| 7165634 | Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are des... | 01/23/2007 |
| 7156373 | Line retrieval system A line retrieval system comprises a line retriever adapted to magnetically couple to an object disposed within an enclosure through a wall of the enclosure such that the magnetic couple supports the line retriever adjacent the wall of the enclosure. The line retriev... | 01/02/2007 |
| 7147068 | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are des... | 12/12/2006 |
| 7051587 | Traction apparatus The present invention generally relates to a method and apparatus for performing an operation in a tubular. In one aspect, a method comprises positioning an apparatus in the tubular, the apparatus having a tractor portion and an auxiliary module. The method further ... | 05/30/2006 |
| 7048050 | Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are des... | 05/23/2006 |
| 7036610 | Apparatus and method for completing oil and gas wells A method of drilling and completing a wellbore in a geological formation to produce hydrocarbons from a well comprising at least the following four steps: drilling the well with a retrievable drill bit attached to a casing; removing the retrievable drill bit from th... | 05/02/2006 |
| 6398190 | Cable assembly and method A cable assembly includes a cable member and an outer jacket member disposed about the fiber optic cable member in slidable relation. In a preferred embodiment, the outer jacket member is a woven article, made from low friction, synthetic fibers such as p... | 06/04/2002 |
| 6293520 | Cable puller and method of installing cables A cable pulling device for installing a second cable (14) along side an existing first cable (12). The cable puller (10) consists of a body (20) with a motor (22) mounted to the body (20). The motor (22) has an output shaft (24) attached to a drive wheel ... | 09/25/2001 |
| 6199829 | Wire tractor The invention, in a preferred embodiment, is an apparatus for pulling wire and other objects between two vertical supports, such as telephone poles, connected by a cable strung above the ground. It is particularly suited for making lashers easier to use i... | 03/13/2001 |
| 5901651 | Self-powered trolley for stringing lines between utility poles A method and trolley for restringing downed utility wires between utility poles in which a self-powered trolley is hooked onto a remaining intact line and caused to traverse along the line by motor driven pulley wheels engaging the intact line, while towi... | 05/11/1999 |
| 5826860 | Machine for laying an overhead line of a track A machine for laying a catenary cable or a trolley wire of an overhead line extending above a track comprises a machine frame supported on undercarriages for mobility along the track, a storage drum mounted on the machine frame and carrying a reel of the ... | 10/27/1998 |
| 5807026 | Device for pulling the end of an optic fiber cable, in particular an underwater cable type An assembly for pulling the end of a cable includes a hollow anchoring body having an axial passage formed in a front end thereof for receiving an end of the cable. The anchoring body has an integral hollow cylindrical skirt coaxially extending rearwardly... | 09/15/1998 |
| 5297582 | Method for water leakage prevention in pipeline A method for water leakage prevention in a portion connecting a first pipeline to a second pipeline having one end thereof in communication with a portion of the first pipeline is provided. This method includes the steps of passing elastically deformable ... | 03/29/1994 |
| 5238225 | Method and apparatus for pulling underground electrical cable A method of pulling electrical cable through an underground tubular conduit includes providing a backhoe with a boom and positioning the backhoe outside of the electrical housing building. The operator mounts a pulley to the end of the boom and inserts th... | 08/24/1993 |
| 4757258 | Probe carrier system for inspecting boiler tubes An inspection system and process for inspecting a plurality of conduits mounted in a manifold is disclosed herein. The system generally comprises a probe carrier for driving an eddy current or ultrasonic probe throughout the conduits to be inspected, and ... | 07/12/1988 |
| 4386759 | Line transporter A remotely controlled transporter for moving a new line across an existing cable strung over a natural or manmade barrier. The transporter includes a forward drive wheel engaged beneath the strung cable and a rear drive wheel engaged above the strung cabl... | 06/07/1983 |
| 4212248 | Apparatus and method for reducing interline twisting An apparatus and method for reducing interline twisting of any pair of a plurality of lines connected to a device which longitudinally traverses the interior of an elongated tubular member is disclosed. The lines are connected between the device and the t... | 07/15/1980 |
| 4192380 | Method and apparatus for logging inclined earth boreholes Apparatus for aiding a well logging instrument in traversing highly deviated boreholes including a plurality of extensible arms mounted in the elongated logging instrument, each arm terminating in a pad member which includes a toothed wheel or gear mounte... | 03/11/1980 |
| 4177734 | Drive unit for internal pipe line equipment Drive unit for internal pipeline equipment, wherein the drive motor which drives the drive unit is disposed parallel to the pipe axis instead of transverse to the pipe axis, thereby to occupy a reduced space transverse to the length of the pipe and enabli... | 12/11/1979 |
| 4113236 | Pulling tool apparatus A pulling tool apparatus for assisting equipment to descend down a wellbore, such as logging tools being lowered into a deviated wellbore. The pulling tool includes a pump located in the tool housing for pulling drilling mud into the lower end of the pull... | 09/12/1978 |
| 4050384 | Tube inspection and servicing apparatus An apparatus for insertion into a relatively long tube or conduit in order to inspect or perform operations on the interior thereof. The apparatus includes a device for performing an operation on the tube as well as a plurality of traction units secured a... | 09/27/1977 |
| 4014516 | Span trolley A span trolley detachably connectable to a line suspended between first and second poles to draw an end of a cord from the first pole to the second pole. Two guide wheels and a drive wheel, secured to a chassis, are resiliently urged into engagement with ... | 03/29/1977 |
