Quotables
"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "
Mark Twain ; Christmas greetings, 1890
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| Number | Title | Issue Date |
| 7325610 | Methods and apparatus for handling and drilling with tubulars or casing The present invention provides a method and apparatus for handling tubulars and drilling with tubulars such as casing into a formation. In one aspect of the invention, the apparatus comprises a circulating head and a cementing head operatively connectible to a gripp... | 02/05/2008 |
| 7246398 | Apparatus and method for removing an object from a drain An apparatus and method for removing an object from a drain for includes a pair of arms each having a first end, a second end, a medial portion, a first side and a second side. Each of the first sides is convexly curved. A pivot member extends between and is pivotal... | 07/24/2007 |
| 7232167 | Cam-action pipe puller A cam-operated pipe puller for pulling and extracting a pipe through a conduit wherein the pipe puller has members for grasping the inner sides of the pipe and apparatus attached to the grasping members for holding the grasping members in a retained position as they... | 06/19/2007 |
| 7213656 | Apparatus and method for facilitating the connection of tubulars using a top drive An apparatus and method for facilitating the connection of tubulars using a top drive and is, more particularly but not exclusively, intended for facilitating the connection of a section or stand of casing to a string of casing. ... | 05/08/2007 |
| 7137454 | Apparatus for facilitating the connection of tubulars using a top drive A method and apparatus for facilitating the connection of tubulars using a top drive which, in one aspect, the apparatus includes a body connectable to said top drive. The body includes at least one gripping element radially displaceable by hydraulic or pneumatic fl... | 11/21/2006 |
| 7134501 | Expandable sand screen and methods for use A particulate screen suitable for use in a wellbore. The particulate screen is expandable and may be at least partially formed of a bistable tubular. Also, a filter media may be combined with the bistable tubular to limit influx of particulates. ... | 11/14/2006 |
| 7036595 | Removal of tubulars from wells Slips slidably disposed on a mandrel for lowering into a well inside a tubular to be removed from the well move outwardly to engage the tubular upon withdrawing the mandrel carrying the slips from the well. In one implementation there is a conical surface such that ... | 05/02/2006 |
| 7021374 | Method and apparatus for connecting tubulars using a top drive An apparatus for facilitating the connection of tubulars, said apparatus comprising a winch (15), at least one wire line (4, 5), and a device (2) for gripping the tubular (3), the arrangement being such that, in use, the winch (15)... | 04/04/2006 |
| 7004259 | Apparatus and method for facilitating the connection of tubulars using a top drive An apparatus for facilitating the connection of tubulars using a top drive, the apparatus comprising a supporting member (13) connectable to said top drive (3) characterized in that it further comprises an internal tool (30) for engaging said tu... | 02/28/2006 |
| 6976298 | Methods and apparatus for connecting tubulars using a top drive An apparatus for facilitating the connection of tubulars using a top drive, the apparatus comprising a stator attachable to said top drive, and a supporting member for supporting a tool, wherein means are provided to allow substantially horizontal movement of said s... | 12/20/2005 |
| 6732822 | Method and apparatus for handling tubular goods An apparatus for handling tubular goods which includes an elongate body having a coupling end adapted for mating engagement with a tubular good. The coupling end includes a structural member, a flexible cylindrical cage and a pressure member. Longitudinal strips joi... | 05/11/2004 |
| 6715542 | Tubular filling system Multiple embodiments of a system for capturing displaced fluid or adding fluid to tubulars being run into or out of the wellbore are described. Several embodiments are supported by a top drive with telescoping features to rapidly seal over a tubular to connect the t... | 04/06/2004 |
| 6431626 | Tubular running tool An improved tubular running tool and method is disclosed for use on a rotary or top drive drilling rig of the type for inserting and selectively, internally gripping a tubular which may be utilized to lift, lower, rotate, and torque tubulars, and which ma... | 08/13/2002 |
| 6309002 | Tubular running tool A tubular running tool and method adapted for use on a rotary or top drive drilling rig of the type for inserting and selectively, internally gripping a tubular which may be utilized to lift, lower, rotate, and torque tubulars, and which may be used to fi... | 10/30/2001 |
| 6267180 | Packer releasing tool and method for releasing a packer assembly from a wellbore The present invention provides a packer releasing tool for releasing a packer from a wellbore where the packer is coupled to a tubing string and has a releasing profile with a packer uphole shoulder and a packer downhole shoulder. The packer releasing too... | 07/31/2001 |
| 6244363 | Retrieval head for a drill bit composed of a plurality of bit segments A retrieval head (14) coupled to a downhole tool that is used for retrieving a drill bit composed of individual drill bit segments (14). The down hole tool is adapted to travel through a drill sting and a drive sub (12) attached to the drill string. The t... | 06/12/2001 |
| 6010171 | Apparatus for lifting objects having a hollow cylindrical core with remote power-actuated release Prior lifting probes automatically release from the core of the paper roll as soon as the roll is placed on a surface and the lifting pressure from the cable is released. In some situations that can be undesirable, since some adjustment or juggling of the... | 01/04/2000 |
| 5791712 | Spear fishing tool A spear fishing tool for engaging an object to be removed from a well bore, commonly called a "fish". The spear fishing tool is characterized by a cylindrical housing, typically attached to a length of coiled tubing by means of a top sub and fitted with a... | 08/11/1998 |
| 5782297 | Retrieval tool for back pressure valve and tree test plug A retrieval tool for retrieving a back pressure valve and tree test plug (generally, a check valve) has a spear formed as a solid ring at the bottom with free fingers extending upward. The fingers are resilient and have protrusions adapted to engage a ret... | 07/21/1998 |
| 5775433 | Coiled tubing pulling tool An improved coiled tubing pulling tool and methods of using the pulling tool for pulling a well tool from a well bore, relocating a well tool in the well bore and performing other similar operations. The pulling tool is basically comprised of an elongated... | 07/07/1998 |
| 5653554 | Apparatus for removing piping from the ground Apparatus for removing piping from the ground comprises a cable (1) which has pipe engaging means (2) disposed along its length. The pipe engaging means (2) are arranged such that the cable (1) is insertable into a pipe (3) in one direction but that attem... | 08/05/1997 |
| 5642912 | Pulling attachment for plastic pipe and slip lining head The present invention is directed to an attachment for a plastic pipe, usually polyethylene pipe, to a head for pulling the pipe into a sewer or other utility line. The present invention is also directed to a slip lining head. More specifically, the prese... | 07/01/1997 |
| 5639135 | Fishing tool and method of operation A fishing spear for retrieving a fish from a wellbore comprises a mandrel fixedly secured to an upper sub, a collet assembly telescopically surrounding the mandrel and a support sleeve telescopically surrounding the mandrel and positioned between the mand... | 06/17/1997 |
| 5580114 | Hydraulically actuated fishing tool A fishing tool is disclosed which is responsive to hydraulic pressure to move away support for collets to allow the collects to deflect and make contact with the stuck object. Upon removal of the hydraulic force, the support for the collets is returned, p... | 12/03/1996 |
| 5480108 | Harpoon heads and harpoons provided with such heads for the anchoring of helicopters to platforms An anchoring system using a harpoon secured under a helicopter and a grid a platform includes a shaft, having near its end, fingers oriented and movable radially between a retracted position and an extended position. The shaft includes a device for movin... | 01/02/1996 |
| 5474124 | Wellhead retrieval tool assembly A wellhead retrieval tool assembly for retrieving a check valve has a spear formed as a solid ring at the bottom with free fingers extending upward. The fingers are resilient and have protrusions adapted to engage a retrieval groove in the check valve. A ... | 12/12/1995 |
| 5439264 | Apparatus for lifting objects having a hollow cylindrical core Prior lifting probes are heavy and awkward to manipulate and operate, and require that the paper roll be destroyed if the probe is jammed in the core of the roll. The present invention allows the main body of the device to be removed if the probe jams to ... | 08/08/1995 |
| 5197773 | Running and pulling tool An improved running or pulling tool which automatically connects to a lock mandrel when the improved tool dogs are inserted into a lock mandrel fishing neck. The dogs are releasably positioned for automatic connection by lower shear members. The tool is r... | 03/30/1993 |
| 5145228 | Running and pulling tool A running and pulling tool is disclosed which is releasably connectible to a fishing neck on a well tool. The running pulling tool has an elongate mandrel on which a connector having dogs is slidably mounted for connecting to and releasing the dogs from a... | 09/08/1992 |
| 5128095 | Grab for lifting and displacing an object between a position submerged in a hot liquid, such as metal, and a position emerged in gas The grab (1) comprises a tubular body (2) connected to a lifting means and a slide (3) mounted axially movably in the tubular body (2), so as to ensure the actuation of gripping pawls (20) carried by the tubular body (2). The tubular body (2) has a bell-s... | 07/07/1992 |
| 5116095 | Apparatus for lifting heavy equipment Running tool apparatus for lifting heavy equipment such as diverters and other devices utilizing a drilling rig drawworks. The running tool has a slotted discs and pins mechanism to cause engaging dogs to engage and disengage the heavy equipment when rota... | 05/26/1992 |
| 5094496 | Pipe pulling devices A two phase quick setting and quick releasing pipe pulling device having an outer housing for engaging the exterior of a plastic pipe and interior radially expandable and contractible jaws that can be quickly set on the interior surface of a plastic pipe ... | 03/10/1992 |
| 5085479 | Vertically manipulated ratchet fishing tool A ratcheting fishing tool having a generally cylindrical body connected with and housing a rotary ratcheting device along with an operating shaft axially mounted to reciprocate within the body and also connected to the ratcheting device. A fish grappling ... | 02/04/1992 |
| 5066060 | Running tool A running tool useful for installing lock mandrels and other subsurface wireline tools in a well bore, the running tool comprising top sub (12), retainer sleeve (14), bottom setting sleeve (16), core (18), insertion sleeve (44) and lockout sleeve (66). Ru... | 11/19/1991 |
| 5029924 | Well pipe extractor apparatus An apparatus for removal of tubular pipe members, and particularly PVC pipe, from in-ground securement is provided. The apparatus includes an inverted sleeve for surrounding the pipe, with an engagement plug mounted within the pipe to capture the pipe bet... | 07/09/1991 |
| 4997225 | Pipe retriever A pipe retrieving tool has two arms with outward facing teeth adapted to engage inner threads of a pipe. A surface retrieving line attaches to a weighted actuator, which is positioned to move over a limited range relative to the arms. The tool is lowered ... | 03/05/1991 |
| 4995458 | Wear bushing retrieval tool A tool for use in retrieving a wear bushing from a wellhead assembly comprising a generally annular body portion which can be located around a length of casing, means for supporting the body portion relative to a length of casing so that it can be lowered... | 02/26/1991 |
| 4951988 | Casing hanger packoff retrieving tool The retrieving tool for retrieving a packoff from a casing hanger located in a subsea well has a pressure intensifying assembly. The retrieving tool has a mandrel which is connected to a string of conduit lowered from a floating vessel. A body is carried ... | 08/28/1990 |
| 4924951 | Manhole cutter Manhole cutter for cutting a circular groove of a fixed depth about a manhole, such as in a street, and removing the manhole from the street. The manhole cutter is suspended from a front-end loader or truck-mounted boom and rotated hydraulically from a po... | 05/15/1990 |
| 4919881 | Reactor internals through-hole grapple A remotely operated device which attaches to an existing internals lifting rig to safely lift and transport nuclear reactor internals structures. The device includes a grapple assembly uniquely formed to maximize the effective bearing surface of an annula... | 04/24/1990 |
