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A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 7836947 | Cleaning device for downhole tools A cleaning device connectable to a downhole tool for use within a well bore, the cleaning device comprising: a base member non-rotatably mountable to the downhole tool; and at least one sleeve member rotatably mountable to and around the base member, the sleeve memb... | 11/23/2010 |
| 7096950 | Combined milling and scraping tool A downhole tool (1) for providing the dual role of cleaning and milling within a wellbore casing or liner is described. In an embodiment scraper blades (6) are mounted on a body (2) together with a milling sleeve (4). Additionally, a cent... | 08/29/2006 |
| 6834889 | Torque release coupling for use in drill strings This invention relates to a torque release coupling for use in drill strings comprising an outer string part (1) rotatably mounted outside a radially inner string part (2), and a rotation lock (3) positioned between them. The rotation lock (3... | 12/28/2004 |
| 6758276 | Method and apparatus for displacing drilling fluids with completion and workover fluids, and for cleaning tubular members A tubular body or mandrel incorporated into a string of tubular pipe, on which first and second swab cups and first and second metal brushes and a casing scraper are mounted, is run into a cased earth borehole to displace a first fluid in the borehole, usually a dri... | 07/06/2004 |
| 6745839 | Borehole cleaning apparatus and method Oilfield cleaning apparatus is provided for cleaning the inner wall of an oilfield tubular. The apparatus comprises a body to be introduced into the tubular, the body being provided with annular cleaning elements. Furthermore a rotary drive acts to oscillate the cle... | 06/08/2004 |
| 6710019 | Wellbore fluid The present invention relates to a wellbore fluid comprising a particulate material composed of the reaction product of A) one or more water soluble organic compound having possessing a molecular weight of less than 30,000 and possessing at least two hydroxyl groups... | 03/23/2004 |
| 6289987 | Integral blade downhole wash tool Apparatus for efficient cleaning of downhole equipment in boreholes, especially oil and gas wells drilled offshore from floating drilling vessels. The apparatus is a wash tool having an elongated central body with a longitudinal bore therethrough. A plura... | 09/18/2001 |
| 6152220 | Down-hole tool with centralising component A tool for use in a well bore has a housing attachable to a work string or drill string wherein the housing supports a floating component that is free to move in the lateral or radial members relative to the housing within predetermined limits. The floati... | 11/28/2000 |
| 5884700 | Interior coating of gas well tubing A method and apparatus for treating the production tubing string of a flowing gas well is disclosed. The method includes introducing treatment fluid into the wellhead end of the production tubing string, allowing an applicator fall through the production ... | 03/23/1999 |
| 5641018 | Apparatus and method for cementing wells An apparatus and method for cementing a pipe in a well. A wiper is engaged with a pipe section as the pipe section is lowered into the wellbore. The wiper contacts the wellbore as the pipe section is reciprocated or rotated within the wiper. The wiper con... | 06/24/1997 |
| 5000260 | Casing scraper A casing scraper is provided for scraping foreign materials from the inside of pipe casing and other tubular members. The casing scraper is comprised of a central mandrel supporting a plurality of longitudinally and circumferentially extending scraper bla... | 03/19/1991 |
| 4893684 | Method of changing well fluid A well bore annulus wiper plug is disclosed. The wiper plug has a central body and inner and outer elastomeric ribs. The ribs are generally in the shape of truncated cones. To operate the device, it is inserted in the annular space between well casing and... | 01/16/1990 |
| 4728152 | Borehole extraction of minerals A method for the extraction of a mineral from an underground unconsolidated formation comprises the steps of: (a) driving a casing through the overburden and into the mineral bearing pay zone, (b) passing a high pressure water jet head and associated supply li... | 03/01/1988 |
| 4530399 | Stop device for well conduit The invention provides a stop device for installation on a well conduit. The stop device is fabricated from semi-annular elements having one ends thereof pivotally interconnected by a hook and notch connection and the other ends stamped to provide apertur... | 07/23/1985 |
| 4452307 | Reamer A reamer for removing paraffin, scale, ice and other accumulations from the inside surfaces of oil well pump tubing and casing and loosening tubing in a well, which includes a hollow shell or housing having a tapered base, which in a preferred embodiment ... | 06/05/1984 |
| 4393931 | Combination hydraulically set hanger assembly with expansion joint The disclosure relates to an improved apparatus for effecting the cementing of a liner at the bottom of a well bore. The liner sleeve assembly is inserted into the well bore on a hanger which is detachably connected to a running tool, which, in turn is co... | 07/19/1983 |
| 4350204 | Reamer A reamer for removing paraffin, scale, ice and other accumulations from the inside surfaces of oil well pump tubing and casing which includes a hollow, tapered shell or housing fitted with external blades and having an enlarged upper internal bore area to... | 09/21/1982 |
| 4126999 | Device for vibrating the soil The ground vibrator comprises a rod to be inserted into the ground and having at its end axial resonance plates, which are brought into vibration by means of a vibration source arranged at the top end of the rod. The vibration effect of the resonance plates is... | 11/28/1978 |
| 3983938 | Freely slidable paraffin scraping and removing tool for cleaning oil well tubing A simple cylindrical paraffin scraping tool adapted to slidably ride up and down between spaced apart stop means on a sucker rod to scrape and remove hardened paraffin and similar deposits from the interior walls of oil well tubing with the scraping tools... | 10/05/1976 |
