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Matches 151 - 200 out of 146,530

Document Document Title
WO/2019/158985A1
An example method of forming a well includes identifying a lost circulation zone in a wellbore, where the lost circulation zone includes a fracture in a formation adjacent to the wellbore; arranging an inflatable in a vicinity of the los...  
WO/2019/045572A3
There is described a crane for running equipment into or out of a well slot in a deck of a marine vessel or rig, a related marine rig or vessel that includes the crane, and related methods. In various embodiments, the crane has a boom co...  
WO/2019/160888A1
A well pumping assembly has a stator (13) mounted in a housing (33), the stator having an axially extending stator cavity (39). The stator has windings (127) that when powered create an electromagnetic field into the stator cavity. A pum...  
WO/2019/160578A1
Ratchet locking segments permit one direction relative movement and then prevent reverse movement to hold a set position of a tool. The segments are axially supported in a surrounding housing using an exterior profile on each segment mes...  
WO/2019/161158A1
Downhole vibratory tools that use fluid flow to reciprocate a rotor in a vibration chamber and associated methods and processes. In a first illustrative embodiment, an elongated external housing allows connection to a drillstring, behind...  
WO/2019/157570A1
An apparatus for separating particles, such as drill cuttings, from a flowable substance, such as drilling mud, is provided. The apparatus comprises an inlet for entry of particles combined with the flowable substance; an outlet for exit...  
WO/2019/159021A1
Device for the prevention of biofilm and sediment. (4) in borehole tubes (1) or distribution tubes for water, characterised in that ultrasonic waves are generated in the fluid (10) that flows through the borehole tube (1) or distribution...  
WO/2019/161351A1
In a general implementation, data regarding a rock sample from a drilling site is received. A thermal-mechanical interaction model is generated based on the rock sample date. The thermal-mechanical interaction model is used to determine ...  
WO/2019/157957A1
A probe of a trenchless guidance instrument, comprising a housing (1) and a transmitting antenna (111) provided in the housing (1). The transmitting antenna (111) comprises a magnetic core (1111) and a coil (1112). There are a plurality ...  
WO/2019/158174A1
A control system for controlling disconnection of riser system that extends between a vessel and a subsea location that comprises a wellbore, the riser system configured to receive a string in use, the control system being configured to ...  
WO/2019/159113A1
The present invention relates to a wireline retrieval head assembly and downhole tool, the wireline retrieval head assembly for coupling to the downhole tool for installation in and retrieval from downhole in a mineral industry field of ...  
WO/2019/158952A1
The present invention relates to a downhole pump for producing volumes of liquids from an oil well, comprising: an extension wall; a barrel that extends vertically to the interior of the extension wall; a gas separating chamber delimited...  
WO/2019/160828A1
Diamond particles with enhanced reactivity are used to sinter polycrystalline diamond (PCD), under high pressure and high temperature conditions. Copper and tin form a solution with transition metal catalyst (cobalt) used to sinter diamo...  
WO/2019/158723A1
A subsea electric actuator comprising an electric motor, a gearbox, a drive connection from an output of the motor to an input of the gearbox, an output from the gearbox, and a switching mechanism to switch the gearing ratio in the gearb...  
WO/2019/160856A1
A roadway conduit system includes a roadway conduit section that includes a floor portion with roadway surface configured to receive traveling vehicles, a ceiling portion, and at least one sidewall portion coupled to the floor portion an...  
WO/2019/160647A1
To perform an aligned operation downhole, a tubular disposed downhole has an internal bore with a first inner circumference and has a target at a first radial orientation. A locator profile is defined about the internal bore at a first l...  
WO/2019/158922A1
A resettable mechanism for preventing the accidental actuation of a load set downhole tool and method of use. The resettable mechanism provides a piston in an oil filled chamber, the piston including reverse biased valves to control flui...  
WO/2019/161203A1
A vibration while drilling acquisition and signal processing system include a sensor assembly affixable to a drill string in a drilling unit and a sensor for detecting vibrations in the drill string. A first processor is in signal commun...  
WO/2019/158834A1
The rotary-percussive hydraulic drill (2) comprises a body (3); a fitting (15); a striking piston (5) configured to strike the fitting (15); an impact piston (13) having a front face (18) facing the fitting (15) and a rear face (19) faci...  
WO/2019/160562A1
A rotary steerable tool for directional drilling includes a tool body including a flowbore for flowing pressurized fluid therethrough and a plurality of extendable members movably coupled to the tool body for selectively engaging a boreh...  
WO/2019/161343A1
Various implementations directed to determining direct hit or unintentional crossing probabilities for wellbores are provided. In one implementation, a method may include receiving wellbore trajectory data and uncertainty data for a refe...  
WO/2019/160414A1
The invention relates to a vessel (1) for performing subsea wellbore related activities such as workover activities, well maintenance, installing an object on a subsea well bore (2), wherein the vessel comprises a floating hull (3), a ho...  
WO/2019/160912A1
A method and drilling fluid additive for reducing severe fluid losses in a well, comprising a combination of granular scrap tire particles and polymer adhesive molded into a capsule shape. Once in the severe loss zone, a plurality of LCM...  
WO/2019/160924A1
A method and drilling fluid additive for reducing severe fluid losses in a well, comprising a combination of granular scrap tire particles and polymer adhesive molded into a capsule shape. Once in the severe loss zone, a plurality of LCM...  
WO/2019/160638A1
The Helical segmental lining is an invention in tunneling industry wherein segments are designed in helical shape that are connected by interlocking system. The proposed helical tunnel lining method allows for segment erection and excava...  
WO/2019/161347A1
A motorized release device for a downhole device includes one or more dogs disposed within a guide of the downhole device. The one or more dogs may move radially within the guide relative to a central axis of the motorized release device...  
WO/2019/055021A3
A containment apparatus is provided having a container body enclosing an inner cavity for containing fluids. The container body has a mouth and a metering aperture each passing through the container body permitting fluidic communication ...  
WO/2019/158519A1
In the case of a drum-type shearer loader for the extraction of mineral material in the mining sector, having at least one shearer drum (1) which is mounted rotatably on a pivotable support arm (2) and which is driven by a drive motor (4...  
WO/2019/160559A1
A rotary steerable tool for directional drilling includes a tool body including an outer surface and a flowbore therethrough, a pad movably coupled to the tool body and alternately movable between an extended position and a retracted pos...  
WO/2019/157553A1
An apparatus (10) for removing particulates from a fluid is described. The apparatus (10) includes a rotatable vessel (12) for receiving a dirty fluid containing the particulates in suspension, the vessel (12) having a plurality of side ...  
WO/2019/160812A1
A transition metal catalyst free polycrystalline diamond compact having enhanced thermal stability is disclosed herein. The diamond compact may be attached to a hard metal substrate. The polycrystalline diamond body includes a plurality ...  
WO/2019/071329A4
Offshore production systems and methods relating thereto are disclosed. In an embodiment, the offshore production system includes a surface vessel. In addition, the offshore production system includes a closed-loop cooling fluid circulat...  
WO/2019/125472A3
Systems and methods for determining the composition of a drilling fluid using electro-rheology may be provided. A method for drilling a wellbore may include: circulating a drilling fluid in a wellbore; extending the wellbore into one or ...  
WO/2019/160927A1
A method and drilling fluid additive for reducing severe fluid losses in a well, comprising a combination of granular scrap tire particles and polymer adhesive molded into a spherical shape. Once in the severe loss zone, a plurality of L...  
WO/2019/160913A1
A method and drilling fluid additive for reducing severe fluid losses in a well, comprising a combination of granular scrap tire particles and polymer adhesive molded into a cone shape. Once in the severe loss zone, a plurality of LCMs w...  
WO/2019/160423A1
A valve (1), a system (100) comprising the valve (1) and a method for closing fluid communication between a well (W) and a production string (PS) when a content of an undesired fluid in the fluid flow exceeds a predetermined level, the v...  
WO/2019/158928A1
The invention relates to a slipform apparatus (12, 14, 16) and method (50) of operating a slipform apparatus for constructing a primary slipform structure (22) from one side thereof. The slipform apparatus comprising a platform (12) havi...  
WO/2019/157021A1
An apparatus for performing electrical discharge machining within a well, may include an elongated body comprising a first end and a second end and defining an interior cavity; and at least one electrode positioned within the elongated b...  
WO/2019/157481A1
Methods and systems for isolating a loss circulation zone (28) of a subterranean formation (22) includes lowering a drill string (16) having a tubular member (18) from a surface into a subterranean well (10) and securing a packer assembl...  
WO/2019/155074A1
Disclosed herein is a downhole cleaning apparatus and a method of cleaning a wellbore. The downhole cleaning apparatus has a body and a cleaning element coupled to the body. The cleaning element is selectively moveable in relation to the...  
WO/2019/155218A1
There is disclosed an apparatus (115) for detecting and/or measuring a downhole feature(195),such as a fluid/fluid interface,in a well (105). The apparatus (115) comprises a first fluid and/or liquid permeable tube (120). The first tube ...  
WO/2019/156547A1
This invention relates to an adaptable Geopolymer cement composition for application in oil and gas wells having a wide range of downhole temperatures. The base Geopolymer cement composition has an acceptable rheology of below 200cP and ...  
WO/2019/157040A1
A remediation plant for remediating drilling mud, cuttings, and fluids. The preferred plant includes a reboiler that is adapted to provide heat to the drilling mud, cuttings, and fluid, a mud drum that is operatively connected to the reb...  
WO/2019/153618A1
Disclosed is a method for determining the optimal solution for mine ventilation network optimization. A ventilation network of the method has p nodes and b branches, a feasible solution for ventilation network optimization is expressed u...  
WO/2019/156912A1
Methods may include calculating a formation permeability for a subterranean formation from a combination of dielectric measurements and acoustic measurements, wherein the formation permeability is calculated according to the formula:kg=a...  
WO/2019/153045A1
Described herein is a a rock bolt (100) comprising: a bar (110) longitudinally extending between a bar leading end (111) and a bar trailing end (112), said bar comprising: a bar leading portion (113) longitudinally extending from said ba...  
WO/2019/156668A1
A system for fluidic siren based telemetry is provided. The system includes a non-rotating restrictor and a rotating restrictor positioned relative to the non-rotating restrictor that is configured to control a flow passage to the non-ro...  
WO/2019/157213A1
Coring tools for procuring core samples from an earth formations may include an inner barrel and an outer barrel located around, and rotatable with respect to, the inner barrel. A coring bit may be affixed to an end of the outer barrel. ...  
WO/2019/153905A1
Disclosed are a method for manufacturing a soluble slip and a soluble slip manufactured by same. The manufacturing method sequentially comprises the following steps: (1) mixing an adhesive with a solid particle and a soluble particle; (2...  
WO/2019/157134A1
A drilling jar in an oil and gas drilling operation or fishing operation includes a control unit having one or more transceivers configured to communicate wirelessly with a surface control unit. The control unit is configured to receive ...  

Matches 151 - 200 out of 146,530