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US20150167412 |
DRILLING WASTE RECEIVING ASSEMBLY
A drilling waste receiving assembly includes a container having an opening in the base sized for receiving a pipe and a sidewall coupled to the base; and an annular sealing assembly for sealing an... |
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US20090173501 |
Borehole Cleaning Using Downhole Pumps
Apparatus for borehole cleaning, comprises: a tubular conveyance for extending from the surface into a borehole to a region to be cleaned; a motor mounted at the end of the tubular conveyance that... |
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US20120118576 |
MODULAR TOOL FOR WELLBORE CLEANING
Modular debris chambers of a debris extraction tool and a method for collecting debris using such modular debris chambers are disclosed. The modular debris chamber for a debris extraction tool may... |
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US20150240583 |
Powered Wellbore Bailer
A wellbore bailer has a rotary motor coupling, a cylinder having an open end, and a pump in the cylinder coupled to the rotary motor coupling and configured to pump fluid when rotated via the... |
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US20120285696 |
Cement Wiper Plug with Size Changing Feature
Wiper plugs or other shapes are made from shape memory foam in a size large enough to wipe or clean a tubular of a predetermined size. The plug or other shape is then reformed to a smaller... |
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US20140238684 |
DEBRIS EVACUATOR FOR CLEANING A MASONRY BORE
A fitting having a cover tube connected to one end and a pressure line in the fitting, connected to a rigid tube projecting from the fitting and through the cover tube. The method includes... |
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US20110308805 |
LAUNCHING TOOL WITH INTERLOCK SYSTEM FOR DOWNHOLE CEMENT PLUG AND METHOD
A wiper plug launching tool and a method of wiping a tubular after cementing, the wiper plug launching tool including a wiper plug; a retainer in operable communication with the wiper plug; and an... |
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US20120048560 |
Debris Interface Control Device for Wellbore Cleaning Tools
A spacing device is located on a lower end of a debris removal tool. Circulation through the tool extends telescoping members to the top of the debris zone against a bias that retracts the members... |
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US20130048285 |
Compositions and Methods for Servicing Subterranean Wells
Lipophilic fibers are effective media for cleaning non-aqueous fluids out of a subterranean wellbore. The fibers are preferably added to a drilling fluid, a spacer fluid, a chemical wash, a cement... |
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US20090078422 |
ENCLOSED CIRCULATION TOOL FOR A WELL
An enclosed circulation tool for a well including a tubular body having a top end, a bottom end and an interior cavity. A progressive cavity pump positioned at the bottom end of the body, the pump... |
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US20090218100 |
WELLBORE CLEANING
The invention relates to a wellbore cleaning assembly, wellbore cleaning apparatus comprising a wellbore cleaning assembly, and to a method of cleaning a wellbore. In an embodiment of the... |
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US20110017463 |
USE OF A SPOOLABLE COMPLIANT GUIDE AND COILED TUBING TO CLEAN UP A WELL
Apparatus and methods for cleaning up a well including a coiled tubing inserted inside a spoolable compliant guide wherein well effluents can be flowed through the coiled tubing. It is emphasized... |
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US20130277056 |
CONTAINMENT CELLAR
A containment cellar collects petroleum products leaked in a vicinity of a conductor pipe at an oil drilling site. The containment cellar has a body, a pipe, and a pumping orifice. The body has... |
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US20130306323 |
Composition for Removing Scale Deposits
An aqueous composition for removing scale deposits, especially on subsea equipment and a method of using the same is described. The aqueous composition comprises (a) a potassium phosphate... |
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US20120152551 |
INDUCING FLOWBACK OF DAMAGING MUD-INDUCED MATERIALS AND DEBRIS TO IMPROVE ACID STIMULATION OF LONG HORIZONTAL INJECTION WELLS IN TIGHT CARBONATE FORMATIONS
An open-hole horizontal water injection well in a tight formation is conditioned prior to an acidizing treatment by subjecting the injection zone to a flowback stage, optionally at reduced... |
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US20080173453 |
MILL AND METHOD FOR DRILLING COMPOSITE BRIDGE PLUGS
A system used to remove multiple isolation plugs from a wellbore. The system is efficient in fluidizing and circulating proppant located below an upper plug resting on top of proppant settled... |
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US20140116712 |
DEBURRING MILL TOOL FOR WELLBORE CLEANING
A wellbore cleaning tool for removing irregularities along the inner surface of a wellbore tubular may include a top sub, a cutting assembly, and a bottom sub. The tool is operable to remove... |
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US20130140032 |
ROD GUIDE AND SOLIDS CONTROL ASSEMBLY
The rod guide and solids control assembly can be mounted on a rod string. The assembly can allow well fluid that contains high solids to pass through the pump under normal operation while... |
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US20090078406 |
Method of Generating a Non-Plugging Hydrate Slurry
Method for reducing loss of flow due to hydrate solids deposits and wax deposition in a pipeline without the aid of chemicals and system for transporting a flow of wellstream hydrocarbons... |
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US20140338915 |
PARTICLES CONTAINING ONE OR MORE CONTROLLED RELEASE CROSS-LINKED ACTIVE AGENTS
The present invention is directed to a cross-linked scale control agent particle comprising: a scale control agent and a cross-linker. The scale control agent is cross-linked by the cross-linker.... |
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US20150114654 |
SLOTTED WELLHEAD AND MULTIBOWL POLISHING TOOL WITH WOVEN POLISHING BELT
A tool for polishing a seal surface of a wellhead assembly includes a cylindrical tool body with an axis. The tool body includes a base member with a first end, and a second end. A tubular skirt... |
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US20130048293 |
FLOW PATTERN ENHANCER SYSTEM FOR GAS WELLS WITH LIQUID LOAD PROBLEMS
A flow pattern enhancer system mainly for gas-producing oil wells with liquid load problems, comprising mechanical elements that atomize the liquids accumulated at the bottom of the well... |
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US20080023202 |
METHOD FOR REMOVING OILFIELD MINERAL SCALE FROM PIPES AND TUBING
A method for removing mineral scale from tubing is disclosed. The method may include the steps of making a first longitudinal cut along a length of the tubing, making a second longitudinal cut... |
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US20130056216 |
Dynamic Self-Cleaning Downhole Debris Reducer
A debris reducer for reducing debris within a fluid flow line having a lower screen that is secured within the flow line, the lower screen having a lower screen cage with a lower cutting portion.... |
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US20110308804 |
Downhole Mixing Tool
A downhole mixing tool and method for removing sand and other debris from a wellbore which combines the sand with a treatment fluid so that the sand is lifted to the surface of the well for... |
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US20120279716 |
Oil-Gas Well Structure for Facilitating Extracting a Downhole Filter String and Method for Extracting the String
An oil-gas well structure for facilitating extracting a downhole filter string and a method for extracting the downhole filter string from the oil-gas well are provided. The oil-gas well structure... |
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US20110073312 |
DEBRIS PROTECTION FOR SLIDING SLEEVE
Sliding sleeve mechanisms including protective sheaths for debris protection are disclosed. Protective sheaths can be formed from materials such as composites, metal, foil, rubber, plastic, glass,... |
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US20140305653 |
Method And System For An Automatic Milling Operation
A method (50) and an assembly (10) for milling an obstruction disposed within a wellbore (W) includes a milling module (12) having a motor (22) rotating a milling bit (14), a first electronics... |
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US20110146998 |
Methods for using or removing unused rock debris from a passageway through subterranean strata using rock breaking apparatus
A method for using or removing unused rock debris from a bored passageway through subterranean strata using at least one rock breaking apparatus engaged with a conduit string and placed within the... |
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US20120211229 |
CABLE DEPLOYED DOWNHOLE TUBULAR CLEANOUT SYSTEM
Embodiments of the present invention generally relate to cable deployed downhole tubular clean out system. In one embodiment, a method of cleaning a tubular string disposed in a wellbore includes... |
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US20080029268 |
Flow Diverter
A downhole tool comprises a body defining a fluid inlet and two or more fluid outlets. A valve arrangement cycles the proportion of fluid directed from the inlet to each of the outlets. One of the... |
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US20120241161 |
FLUSHING SYSTEM
An apparatus for circulating well fluids in an intervention system is described. The apparatus comprises at least one subsea storage vessel adapted to be located adjacent a subsea intervention... |
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US20090236098 |
Reinforced Polymeric Siphon Tubes
Siphon tubes comprising at least one continuous reinforcing agent that runs substantially the length of the tube. |
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US20110232910 |
PARTICLE-LOADED WASH FOR WELL CLEANUP
The invention consists in loading a chemical wash fluid with solid particles to enhance annulus cleanup prior to placing cement slurries (or during the completion phase). The presence of solid... |
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US20140116705 |
One Trip Packer Plug Debris Milling and Removal Method
A combination tool is delivered to compacted debris above a packer whose plug is to be removed. The shoe or mill is on the lower end of an outer bushing and the grapple or overshot is held within... |
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US20140158357 |
NOZZLE SELECTIVE PERFORATING JET ASSEMBLY
A downhole hydraulic tool employing multiple nozzles in a selectable fashion from an oilfield surface. At least one of the nozzles of the tool is equipped with a burst disk such that fluid... |
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US20090321077 |
Pigging Of Flowlines By In-Situ Generated Foam Pigs
Methods and apparatus utilized to form foam pigs in-situ are provided. The in-situ generated foam pigs may be used for a number of purposes, including, but not limited to, commissioning or... |
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US20080308269 |
Washing a Cylindrical Cavity
A tool (2) for washing a wellbore or hollow tubular has a longitudinal axis and comprises one or more elongate nozzles (7) for ejecting fluid generally radially from the tool. The or each nozzle... |
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US20130213658 |
METHODS AND SYSTEMS FOR WIPING SURFACES WHEN PERFORMING SUBTERRANEAN OPERATIONS
Improved darts and methods of using these darts in subterranean wells are disclosed. The improved dart comprises a foam portion and a rubber portion coupled to the foam portion. A dart nose is... |
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US20110278004 |
COMPOSITIONS AND METODS FOR CLEANING A WELLBORE PRIOR TO CEMENTING
Single-phase microemulsions, comprising a solvent, a surfactant blend and a carrier fluid, are effective spacer fluids for use during cementing operations. The solvent may be selected from the... |
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US20130153235 |
Systems and Methods To inhibit Packoff Events During Downhole Assembly Motion Within A Wellbore
Systems and methods to inhibit packoff events during downhole assembly motion within a wellbore comprise a downhole assembly that includes an energy-storing structure that defines a charged state... |
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US20100126718 |
CEMENT EVALUATION METHOD AND TOOL
The invention relates to a cement evaluation method and tool. In particular, the invention relates to a method of producing a wellbore cement bond log for evaluating a condition of cement in cased... |
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US20100018713 |
LAUNCHING TOOL WITH INTERLOCK SYSTEM FOR DOWNHOLE CEMENT PLUG AND METHOD
A launching tool with interlock system for a downhole cement plug includes a mandrel having one or more windows therein; an interlock system disposed at the mandrel, the interlock system having a... |
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US20110232911 |
METHOD AND DEVICE FOR CLEANING A CAVITY IN A PETROLEUM WELL
A method and a device for removing sediment or other undesired material (28) from a cavity (24) in a petroleum well (2) in which a tool (30) is moved down into the petroleum well (2). The method... |
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US20080105424 |
Method of drilling and producing hydrocarbons from subsurface formations
A method associated with the production of hydrocarbons. In one embodiment, method for drilling a well is described. The method includes performing drilling operations at one or more wells to a... |
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US20100258318 |
DOWNHOLE SCRAPER
A downhole tool including a resilient body configured to be disposed on a drill string, the resilient body comprising a plurality of radial blades having an abrasive coating, wherein the radial... |
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US20130081821 |
Reinforcing Amorphous PLA with Solid Particles for Downhole Applications
The present invention relates to the use of composite material in downhole applications, and more particularly, relates to methods of making composite material comprising reinforced amorphous... |
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US20150226036 |
PACKER PLUG RETRIEVAL TOOL AND RELATED METHODS
A method includes running a downhole tool into a wellbore, operating the downhole tool in a suction mode and removing debris from the wellbore, and operating the downhole tool in a circulation... |
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US20140332220 |
POLYURETHANE ACTIVATOR-BREAKER FLUID SYSTEM
A combined activator-breaker fluid system is effective in oil and gas field applications to essentially simultaneously activate or deploy a shape-memory material and at least partially remove a... |
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US20110114323 |
Heat Generation Process for Treating Oilfield Deposits
Generating heat within a combination solvent/acid system removes undesirable deposits from petroleum reservoir formations (especially the near well-bore region), oilfield equipment, and petroleum... |