Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7299882 | Annular isolators for expandable tubulars in wellbores The present disclosure addressed apparatus and methods for forming an annular isolator in a borehole after installation of production tubing. Annular seal means are carried in or on production tubing as it is run into a borehole. In conjunction with expansion of the... | 11/27/2007 |
| 7216706 | Annular isolators for tubulars in wellbores The present disclosure addresses apparatus and methods for forming an annular isolator in a borehole after installation of production tubing. A first deployable annular isolator is carried on tubing as it is positioned in a borehole. An annular isolator forming mate... | 05/15/2007 |
| 7178385 | Method and apparatus for detecting leaks The present invention relates to a sensor apparatus configured to detect the presence of a gas, such as a tracer gas and a leak detection apparatus configured to detect the present of a tracer gas and indicate the location of a leak. The sensor apparatus includes mu... | 02/20/2007 |
| 7172029 | Bi-directionally boosting and internal pressure trapping packing element system The present invention is a packer for sealing an annular region in a wellbore. The packer includes a packing element which is held through bidirectional forces. The packer first comprises an inner mandrel. Disposed around the inner mandrel are three tubulars: (1) a ... | 02/06/2007 |
| 7128145 | High expansion sealing device with leak path closures A high expansion packer or bridge plug is described. It features an external portion of a soft material that flows into spiral exterior leak paths formed when the sealing element is subjected to longitudinal compression. Preferably, the sealing element is an elastom... | 10/31/2006 |
| 7096949 | Wiper plug with packer A self-retaining cementing wiper plug with a packer element has two or more steel or carbide tipped holddown fingers or slips extending radially outward from the plug for engaging the inner surface of the casing and preventing the plug from moving uphole over time a... | 08/29/2006 |
| 7066927 | Vented seal having redundant sealing components A seal having a body and several bands extending away from the body. The bands extend around an axial portion of the body. In some embodiments, the bands project from and are formed integral with the body. For example, the bands can be rings. Two bands can be locate... | 06/27/2006 |
| 6902008 | Bi-directionally boosting and internal pressure trapping packing element system Present invention is a packer for sealing an annular region in a wellbore. The packer includes a packing element which is held through bi-directional forces. The packer first comprises an inner mandrel. Disposed around the inner mandrel are three tubulars: (1) a top... | 06/07/2005 |
| 6843315 | Compression set, large expansion packing element for downhole plugs or packers A packing element, which is a composite structure, contains the sealing portion to minimize extrusion. The element is retained in tension when running in to minimize damage. In the preferred embodiment, a collapsing sleeve transfers setting force applied at one end,... | 01/18/2005 |
| 6843480 | Seal ring for well completion tools A high pressure ring seal for tube assembly joints provides structural foundation ring having inside and outside circumferential channels between end rims. The channels and rims are separated by a web of integral ring material. This web is perforated by a plurality ... | 01/18/2005 |
| 6565093 | Seal structure for downhole tool A seal structure is provided for a downhole tool. In a described embodiment, a seal structure includes a seal support ring having at least one annular groove formed thereon and a longitudinal axis. At least one seal is included in the seal structure. The ... | 05/20/2003 |
| 6443458 | Packer A packer comprises an elastomeric member (2) which, in use, will deform radially when subjected to axial pressure. A plurality of steel fingers (3, 4) are vulcanized onto the elastomeric member (2). One end of each steel finger (3, 4) is accomodated in a ... | 09/03/2002 |
| 6406028 | Seal stack A seal stack includes one or more first seals that are adapted to seal in at least a first range of temperatures. The seal stack also includes a second seal that is adjacent to at least one of the first seals. The second seal is adapted to seal in at leas... | 06/18/2002 |
| 6250638 | Taper joint well sealing packer and method A downhole packer in a well removably seals an annular space between an inner tube and an outer tube or well casing in a well bore. The packer provides a metal to metal tapered seal between a female sealing element having a tapered inner sealing surface a... | 06/26/2001 |
| 6203020 | Downhole packer with element extrusion-limiting device A sealing element system for a downhole packer reduces the tendency of the elements to extrude. Mechanical limits are provided to the amount of force that can be passed onto the uppermost and lowermost components of a sealing element system by providing a... | 03/20/2001 |
| 5511620 | Straight Bore metal-to-metal wellbore seal apparatus and method of sealing in a wellbore A seal apparatus is provided for use in a subterranean wellbore having a wellbore tubular disposed therein that defines a wellbore surface. A conveyance tubular is provided, which is positionable within the subterranean wellbore. A sealing ring is provide... | 04/30/1996 |
| 5333692 | Straight bore metal-to-metal wellbore seal apparatus and method of sealing in a wellbore A seal apparatus is provided for use in a subterranean wellbore having a wellbore tubular disposed therein. The wellbore tubular defines a wellbore surface. The seal includes a number of components which cooperate together. A conveyance tubular is provide... | 08/02/1994 |
| 4753444 | Seal and seal assembly for well tools A seal and seal assembly for use with well tools, such particularly as well packers, for sealing the annulus between the well packer mandrel and the wall of a well tubing such as casing. The seal is fabricated of an elastomeric-like material comprising fl... | 06/28/1988 |
| 4745972 | Well packer having extrusion preventing rings A well packer is shown having an annular packing element surrounded on either side by axially shiftable annular shoulders. Extrusion preventing devices are located between each shoulder and the packing element to prevent extrusion of the packing material ... | 05/24/1988 |
| 4601498 | Deformable metal-to-metal seal A subterranean well tool such as a packer and attached telescoping seal receptacle assembly is disclosed. The tool is fabricated from a plurality of threaded tubular members and annular deformable rings fabricated of a metal softer than the tubular member... | 07/22/1986 |
| 4452463 | Packer sealing assembly A sealing assembly for a packer includes a generally cylindrical elastomeric sealing element telescoped onto a mandrel between upper and lower expander heads. A sealing ring is disposed between each expander head and the sealing element at each end thereo... | 06/05/1984 |
| 4321015 | Downhole, hydraulically actuated pump assembly with pressure settable packer nose assembly A packer nose assembly for a downhole, hydraulically actuated pump of the free-type. The packer nose assembly is connected to the upper end of the pump device, and includes a packer apparatus interposed between the pump and a pair of seal cups. The seal c... | 03/23/1982 |
| 4290484 | Seal receptacle assembly A seal receptacle assembly is provided for affixation on a well conduit. The seal receptacle assembly can be provided to permit telescopic contraction and expansion of the well conduit in response to heating, cooling, or pressurization of the well conduit... | 09/22/1981 |
