Patent application number | Description | Published |
20120103592 | Down hole well tool provided with a piston - A down hole well tool ( | 05-03-2012 |
20120125686 | Method And System For Transferring Signals Through A Drill Pipe System - The present invention relates to a system for transferring signals through a drill pipe system during drilling of a subsurface well. The drill pipe system comprises a first pipe ( | 05-24-2012 |
20130181438 | NESTED DUAL DRILL PIPE - A dual drill pipe includes a joint of drill pipe having a pin end and a box end. An inner pipe is disposed within an internal bore of the joint of drill pipe. A retainer is disposed proximate each longitudinal end of the inner pipe. A retaining feature is formed in an interior of the joint of drill pipe proximate each longitudinal end. The features are configured to engage a respective one of the retainers so that the inner pipe is held in longitudinally fixed relation to the joint of drill pipe. | 07-18-2013 |
20130181439 | SEAL ASSEMBLY FOR NESTED DUAL DRILL PIPE - A seal assembly for a nested dual drill pipe includes a tube having a female seal assembly and a male seal assembly at the longitudinal ends. The female seal assembly includes a larger internal diameter portion, a taper adjacent thereto and a smaller internal diameter portion adjacent to the taper. The male seal assembly includes a smaller external diameter portion, a seal groove adjacent thereto and a larger external diameter portion adjacent to the seal groove. The smaller internal diameter portion and the larger external diameter portion have diameters selected to enable free longitudinal movement of the male seal assembly into the female seal assembly while limiting axial displacement to maintain the seal ring fully energized. | 07-18-2013 |
20130220622 | ACTUATOR FOR DUAL DRILL STRING VALVE AND DRILL STRING VALVE CONFIGURATIONS THEREFOR - A dual drill string actuator includes a piston disposed in a housing. The housing is configured to sealingly couple at its longitudinal ends to an end of a nested dual drill string segment. An upper internal conduit is mounted in the housing proximate one longitudinal end thereof. A lower internal conduit is mounted in the housing proximate the other longitudinal end thereof. The piston is slidably, sealingly engaged between the upper and lower inner conduits and together define an internal fluid flow passage therethrough. The upper inner conduit, the piston and the lower inner conduit also define an external flow passage between respective exterior surfaces thereof and an interior of the housing such that application of fluid pressure to the external flow passage causes movement of the piston. | 08-29-2013 |
20130220623 | ACTUATOR FOR DUAL DRILL STRING VALVE AND ROTARY DRILL STRING VALVE CONFIGURATION THEREFOR - A dual drill string valve includes an actuator including a piston disposed in a housing. The housing is configured to couple at its ends to an end of a nested dual drill string segment. An upper internal conduit is mounted in the housing proximate one longitudinal end thereof. A lower internal conduit is mounted in the housing proximate the other longitudinal end thereof. The piston is slidably, sealingly engaged between the upper and lower inner conduits and defines a fluid flow passage therethrough. The upper inner conduit, the piston and the lower inner conduit define another flow passage between respective exterior surfaces thereof and an interior of the housing such that application of fluid pressure to the external flow passage causes movement of the piston away from the upper inner conduit. A rotary valve is coupled to the actuator whereby longitudinal movement thereof rotates the rotary valve. | 08-29-2013 |
Patent application number | Description | Published |
20100216870 | Novel Genes Encoding a Nystatin Polyketide Synthase and Their Manipulation and Utility - The invention provides a nucleic acid molecule comprising: (a) a nucleotide sequence as shown in SEQ ID No. 35; or (b) a nucleotide sequence which is the complement of SEQ ID No. 35; or (c) a nucleotide sequence which is degenerate with SEQ ID No. 35; or (d) a nucleotide sequence hybridising under conditions of high stringency to SEQ ID No. 35, to the complement of SEQ ID No. 35, or to a hybridisation probe derived from SEQ ID No. 35 or the complement thereof; or (e) a nucleotide sequence having at least 80% sequence identity with SEQ ID No. 35; or (f) a nucleotide sequence having at least 65% sequence identity with SEQ ID No. 35 wherein said sequence preferably encodes or is complementary to a sequence encoding a nystatin PKS enzyme or a part thereof. Also provided are part of such molecules and polypeptides (and parts thereof) encoded by such a nucleic acid molecule, and the use of such molecules and polypeptides in facilitating nystatin biosynthesis and in the synthesis of nystatin derivatives and novel polyketide as macrolide structures. | 08-26-2010 |
20110117606 | NRPS-PKS Gene Cluster and its Manipulation and Utility - The present invention provides a nucleic acid molecule comprising: (a) a nucleotide sequence as shown in SEQ ID No. 1; or (b) a nucleotide sequence which is the complement of SEQ ID No. 1; or (c) a nucleotide sequence which is degenerate with SEQ ID No. 1; or (d) a nucleotide sequence having at least 85% sequence identity (preferably at least 87%, 90%, 91%, 92%, 93%, 94%, 95%, 96%, 97%, 98% or 99% sequence identity) with SEQ ID No. 1; or (e) a part of any one of (a) to (d), wherein said nucleic acid molecule encodes or is a complementary to a nucleic acid molecule encoding one or more polypeptides, or comprises or is complementary to a nucleic acid molecule comprising one or more genetic elements, having functional activity in the synthesis of a polyketide-based or macrolactam molecule. Particularly the invention contemplates the modification of the nucleic acid of the invention, encoding the biosynthetic machinery for the synthesis of the polyketide macrolactam BE-14106, including expressing in a microorganism the modified nucleic acid molecule. In certain aspects the modification includes introducing, mutating, deleting, replacing or inactivating a sequence encoding one or more activities or proteins encoded by said nucleic acid molecule. Other aspects of the invention include a microorganism containing the modified and unmodified nucleic acid and recovering the polyketide-based or macrolactam molecule from said mircoorganism. | 05-19-2011 |
20160060636 | NRPS-PKS GENE CLUSTER AND ITS MANIPULATION AND UTILITY - A nucleic acid molecule comprises a nucleotide sequence: as shown in SEQ ID No. 1, which is the complement of SEQ ID No. 1, which is degenerate with SEQ ID No. 1, or which has at least 85% sequence identity with SEQ ID No. 1, or which is a part of such a sequence. The nucleic acid molecule encodes or is a complementary to a nucleic acid molecule encoding one or more polypeptides, or comprises or is complementary to a nucleic acid molecule comprising one or more genetic elements, having functional activity in the synthesis of a polyketide-based or macrolactam molecule. The nucleic acid molecule may be used to prepare a modified BE-14106 biosynthetic gene cluster for the preparation of a modified BE-14106 molecule. | 03-03-2016 |
Patent application number | Description | Published |
20120126482 | TUBE SEALING DEVICE AND A SEALING ELEMENT FOR SUCH A DEVICE - Device for sealing a leakage in a well tube, comprising a sealing ring and elements for forcing the sealing ring into sealing engagement with the wall of the tube. A power device being operatively connected to the elements. The sealing ring having beveled ends which are juxtaposed with a pair of mating conical rings. A cylinder-piston device engages the conical rings to force them into expanding engagement with the sealing ring. | 05-24-2012 |
20130068448 | Device for Carrying a Replacement Safety Valve in a Well Tube - Device for carrying a replacement safety valve in a well tube, with a straddle structure for placement inside a damaged “Down Hole Safety Valve” nipple seal area. It is comprising a pair of sealing assemblies ( | 03-21-2013 |
20130319654 | PLUGGING DEVICE - The invention relates to a plugging device ( | 12-05-2013 |
20130333875 | PLUGGING DEVICE - The present invention relates to a plugging device ( | 12-19-2013 |
20140076539 | PLUGGING DEVICE - The present invention relates to a plugging device ( | 03-20-2014 |
20140152458 | INDUCTIVE CONNECTION - A well pipe for inductive connection to a well tool includes a tubular pipe string and an inductive pipe element. The pipe string includes an inner pipe wall defining a longitudinal opening, where a compartment is provided radially in a radial groove of the inner pipe wall and the inductive pipe element is provided in the compartment. The well tool includes a tool body and an inductive tool element provided in a groove provided radially on the outside of the tool body. The inductive tool element is connected to the tool body by a connection device, where the inductive tool element is movable between a run state and a set state, where the inductive tool element is provided in the groove in the run state and where the inductive tool element is radially protruding from the groove in the set state. | 06-05-2014 |
20140190684 | EXTRUSION PREVENTING SUPPORTING DEVICE - The invention relates to an extrusion preventing supporting device ( | 07-10-2014 |
20150247374 | PLUGGING DEVICE - A plugging device for sealing against an inner surface of a pipe includes a mandrel, a sealing device, and an actuating device. The sealing device includes a first body provided circumferentially around the mandrel, an upper supporting device provided axially above the first body, and a lower supporting device provided axially below the first body. The actuating device is connected to at least one of the supporting devices for actuating the sealing device between a retracted state and an expanded state. The sealing device includes a second, sealing body provided circumferentially around the mandrel. An inner surface of the second sealing body is engaged with an outer surface of the first body in the expanded state. The second sealing body is moved from the retracted state to the expanded state by an axial displacement of at least one of the supporting devices towards each other. | 09-03-2015 |
20150300118 | Junk catching device - The invention relates to a junk catching device ( | 10-22-2015 |
20150376978 | MILLABLE PLUGGING DEVICE - The present invention relates to a millable plugging device for use in a well pipe. The device includes an inner mandrel and an outer housing provided radially outside at least parts of the inner mandrel. A sealing assembly is provided radially outside the inner mandrel, where the sealing assembly is configured to be brought from a run state to a set state by a relative axial displacement between the inner mandrel and the outer housing. The millable plugging device has a first center axis and the second mandrel section has a second center axis which is displaced parallel in relation to the first center axis. Rotation of the inner mandrel in the set state is bringing a third mandrel section of the mandrel to a locked state, in which further rotation of the inner mandrel is prevented. | 12-31-2015 |
20160060998 | Plug apparatus - The present invention relates to a disintegratable plug apparatus for use in connection with petroleum wells, especially during pressure testing of such petroleum wells, wherein the plug apparatus comprises an outer housing surrounding at least one sealing device and a plurality of supporting bodies, at least one of the supporting bodies being in engagement with a locking device for locking to a locking sleeve, the at least one supporting body being brought out of engagement with the locking device after application of a predetermined pressure on the plug apparatus, whereby the at least one supporting body and the at least one sealing device are permitted an axial movement in the outer housing, this movement resulting in the at least one sealing device being brought into contact with loading devices adapted to subject the at least one sealing device to load so as to produce disintegration of the at least one sealing device. | 03-03-2016 |
Patent application number | Description | Published |
20090004417 | Polyolefin composition for rotomolding - A polymer composition suitable for rotomoulding comprising I) An ethylene homopolymer or copolymer with at least one other C | 01-01-2009 |
20090291305 | USE OF POLYPROPYLENE COMPOSITION - This invention relates to use of a polymer composition for rotomoulding, wherein said composition comprises:
| 11-26-2009 |
20100004378 | USE OF POLYPROPYLENE COMPOSITION - This invention relates to use of a polymer composition for rotomoulding, wherein said composition comprises:
| 01-07-2010 |
20100093939 | Improved Transparent Polypropylene Composition - The present invention relates to a composition, in particular to a polypropylene composition, and articles thereof, having an optimal balance between mechanical properties and transparency and thus the composition is particular suitable for packaging applications. | 04-15-2010 |
20100249326 | SOFT POLYPROPYLENE COMPOSITION WITH SOFT TOUCH FEELING - Propylene polymer composition comprising a polypropylene (A), an elastomeric copolymer (B) of ethylene and at least one α-olefin comonomer selected form the group consisting of propylene, 1-butene, 1-pentene, 1-hexene, 1-heptene and 1-octene, and an ethylene C2 to C8 alkyl acrylate copolymer (C) wherein the composition has a strain hardening SH | 09-30-2010 |
20130287983 | Single Site Polymer - A single site catalysed ethylene polymer including ethylene and optionally at least one comonomer having a Mw/Mn of less than 5 and wherein the total amount of unsaturations of the ethylene polymer is at least 0.8. | 10-31-2013 |