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WO/2017/011499A1 |
Methods control systems for viscosity and density control may include a frequency loop shaping filter for shaping the frequency response in real-time for a multiple inputs multiple outputs (MIMO) system. For example, a method may include...
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WO/2017/011510A1 |
A mud sag monitoring system may be configured for real-time evaluation of sagging potential of a circulating mud. The monitoring system may include both physics-based sagging prediction models and data-driven sagging detection classifier...
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WO/2017/011509A1 |
Two control strategies may be implemented to optimize mud circulation in a drilling mud circulation system. In a networked control strategy, the mud circulation system does not involve any centralized controller yet all the local control...
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WO/2017/011516A1 |
Methods and systems for enhancing workflow performance in the oil and gas industry may estimate the properties of drilling muds (e.g., density and/or viscosity) located downhole with methods that utilize real-time data, estimated drillin...
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WO/2017/011514A1 |
Methods and systems for enhancing workflow performance in the oil and gas industry may include modeling preferred sensor locations, sensor types, and sampling frequency for effective and efficient monitoring of a mud circulation system. ...
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WO/2017/007330A1 |
A treatment system (1) for slop water is described, the treatment system (1) comprising : - a decanter (2) including at least an inlet (21) for the slop water which is to be purified and an outlet (22) for a water phase, - a separator (4...
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WO/2017/005216A1 |
The present invention relates to the technical field of oil and gas drilling engineering. Disclosed is a double-injection-pump continuous injection method suitable for particle-impact drilling. The method comprises the following steps in...
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WO/2017/004481A1 |
A system for continuously treating water with residual oil and/or solids includes a treatment system with inline mixers. A pH adjustment fluid may be added to the water in a first inline mixer. A micro-encapsulating flocculating dispersi...
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WO/2017/003489A1 |
A method for adjusting position of a downhole flow control device, comprising deploying a service tool downhole, wherein the tool includes a tool body with a first latching profile and a shifting key with a second latching profile and tr...
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WO/2017/004096A1 |
Systems and methods recycle liquid(s) by introducing at least a portion of a first liquid from a first centrifuge into a tank. At least a portion of a second liquid is introduced from a second centrifuge into the tank. The first liquid a...
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WO/2017/003753A1 |
A fiber-reinforced composite article useful for contaminant removal comprising at least one single layer of a fiber-reinforced composite having (a) at least one first polymer fiber-free region containing material adapted for removing con...
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WO/2017/003445A1 |
An apparatus can include a filter element that is positionable in a tubing string. The filter element can have a closed end and an open end. A plurality of slots can extend generally radially from the closed end to the open end of the fi...
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WO/2017/003406A1 |
A drilling riser system includes a plurality of interchangeable dockable modules having sealable hydraulic connections configured to connect to a module docking structure disposed in at least one specific segment of a drilling riser and ...
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WO/2016/207631A1 |
Apparatus for pumping a stimulant fluid in a hydraulic fracturing system comprises an engine and a pressure converter arranged in use to be driven by the engine at a first pressure, and to pump stimulant fluid at a second, higher pressur...
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WO/2016/210421A1 |
This disclosure is generally drawn to systems, devices, apparatuses, and/or methods, related to monitoring a shaker and monitoring a room in which shaker(s) operate. Specifically, the disclosed systems, devices, apparatuses, and/or metho...
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WO/2016/210398A1 |
A method for monitoring a well bore during drilling operations, particularly with respect to a fluid gain and/or fluid loss event. Monitoring the well bore may be accomplished by monitoring an incoming flow rate of the fluid into the wel...
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WO/2016/209252A1 |
A flow control device comprising a body, a main flow path formed through the body, and a bypass flow path formed through the body. The flow control device also includes a valve associated with the bypass flow path and configured to contr...
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WO/2016/209084A1 |
Percussive drilling hammer assembly (20) arranged for temporary reduction of hydrostatic pressure locally at the points of material removal by periodically interrupting a flow of liquid towards the drill bit through at least one liquid c...
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WO/2016/205725A1 |
A method of controlling fluid flow through a circulation valve disposed in a borehole includes flowing a fluid at a first flowrate through a first jet and a second jet disposed in a throughbore of a sliding sleeve disposed in a housing o...
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WO/2016/202369A1 |
The invention relates to an apparatus for controlling collaring drilling. The apparatus comprises at least one collaring cycle executed in a control device. The collaring cycle comprises an advance drilling step, a reversing step and a m...
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WO/2016/200819A1 |
A downhole tool (100), such as a sliding sleeve, is operable with pressure applied against one of a plurality of plugs deployed in the tool. A sleeve (160) can engage the deployed plugs and can move with the engagement. The sleeve extend...
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WO/2016/200379A1 |
Various embodiments include apparatus and methods to execute corrective product addition treatment or surface treatment to a wellbore fluid based on performing an artificial intelligence technique and/or a closed form 5 solution with res...
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WO/2016/200275A1 |
A pneumatically controlled device (I) for discharging particulate material generated during exploration and production operations comprises a cabinet (II), the top portion of which has a chute (3) for in flow of particulate material. Bel...
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WO/2016/195674A1 |
Undertaking a wellbore operation while monitoring wellbore pressure with stationary pressure sensors coupled to tubing extended within the wellbore and thereby generating downhole annulus signals in real-time. The wellbore pressure is al...
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WO/2016/195638A1 |
A method of operating a gas extraction system includes receiving a drilling fluid sample at a flow meter via a flow meter inlet conduit and discharging the drilling fluid sample into a flow meter outlet conduit. A first inline mud valve ...
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WO/2016/195650A1 |
Increasing the dispersed phase concentration in drilling fluids may decrease sag in the drilling fluids. The dispersed phase of a drilling fluid may be composed of solids (e.g., weighting agents) and emulsion droplets (for emulsified dri...
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WO/2016/196409A1 |
An apparatus is disclosed including a cylindrical vessel including an inside wall defining an interior volume, a first vessel end and a second vessel end, a top and a bottom; at least one inlet in the bottom of the cylindrical vessel; at...
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WO/2016/189232A1 |
A treatment unit (100) for treating a drilling mud comprises a primary pipe (10) for supplying coagulated drilling mud, an in-line flocculation system (20) for flocculating the coagulated drilling mud flowing along the primary pipe (10),...
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WO/2016/186670A1 |
Methods of circulating a drilling fluid while drilling a shallow wellbore that is highly deviated or horizontal. The drilling fluid comprises an aqueous base fluid, iota carrageenan, partially hydrolyzed polyacrylamide, and a divalent ca...
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WO/2016/186616A1 |
Various embodiments relate to methods, apparatus, and systems for injecting and detecting compositions in drilling fluid systems. In various embodiments, the present invention provides a method of injecting and detecting a composition in...
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WO/2016/186519A1 |
A method of sealing an annulus around a drill-pipe when drilling down-hole comprises: providing a deflated packer on a drill-pipe when drilling down-hole; opening one or more ports to the packer using a ball-activated valve; and circulat...
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WO/2016/179686A1 |
An open loop drilling beads recovery system comprising: a fluid inlet in fluid communication with a shale shaker having at least one screen adapted for the separation of solid particulate material present in a used drilling fluid; said s...
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WO/2016/182576A1 |
The present disclosure relates to a composite fluid including a foundation fluid having an impedance at a frequency, and an additive combined with the foundation fluid that results in a composite fluid having an impedance different than ...
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WO/2016/179677A1 |
Described is a method of cleaning a wellbore using a fibre-optic distributed acoustic sensor (DAS) and temporary tubing deployed downhole. In real time, the DAS measures characteristics of the fluid along the entire length of the sensor/...
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WO/2016/179136A1 |
Systems and methods for continuous mud circulation during a drilling operation. The method includes delivering a first flow of drilling mud from a mud supply, through a drill string, into a wellbore, and through a blowout preventer. The ...
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WO/2016/178004A1 |
A downhole tool comprises a hollow body having a wall and a port in the wall,and a closing sleeve movable relative to the body to open and close the port. A seal is provided between the body and the sleeve and is configured to hold diffe...
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WO/2016/178683A1 |
Systems and methods of determining a health of an ESP includes collecting transient vibration signature data from one or more sensors disposed in proximity to an operating ESP, analyzing the collected data, and diagnosing the health of t...
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WO/2016/179195A1 |
A drill cuttings dryer that includes a centrifuge especially adapted to process drill cuttings; a torque converter in communication with the centrifuge; a motor; and, a drive shaft in communication with both and linking the motor and tor...
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WO/2016/178005A1 |
A downhole tool comprises a hollow body having a wall and a port in the wall,and a closing sleeve movable relative to the body to open and close the port. A seal is provided between the body and the sleeve and is configured to hold diffe...
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WO/2016/178687A1 |
A treatment unit includes at least one treatment tank, an intake pump in fluidic communication with the at least one treatment tank via an inlet valve, an output pump in fluidic communication with the at least one treatment tank via a di...
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WO/2016/174488A1 |
The present invention relates to a method for determining a concentration of solid particles in drilling fluid, wherein the method comprises determining (302), based on a received dimension, a plurality of wirelines, each determined wire...
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WO/2016/174574A1 |
Control equipment (3) for monitoring flows (F) of drilling mud in a drilling mud circulation circuit (2). The equipment comprises: at least one first inlet element (32), in turn comprising at least one first measuring device (4); at leas...
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WO/2016/174128A1 |
Process for recovering oil which process comprises (a) injecting surfactant into an oil-bearing formation and recovering from the formation a mixture containing oil, water and surfactant, (b) treating the mixture recovered in step (a) wi...
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WO/2016/171718A1 |
In some embodiments, a pre-treatment source generates pre-treated oilfield fluid from oilfield fluid, prior to injection into an inverting filter centrifuge system. The pre-treatment source increases an efficiency of separating solids fr...
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WO/2016/172246A1 |
Embodiments provide a system, apparatus and method for artificial lift including a hydraulic downhole rodless pump actuator.
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WO/2016/171650A1 |
A method includes monitoring drill cuttings suspended within a drilling fluid with one or more cuttings detection devices as the drill cuttings traverse one or more shaker screens of a shaker. Drill cuttings data of the drill cuttings is...
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WO/2016/168259A1 |
A filter device housed within a body component. The filter device can include an outer filter and an inner filter positioned coaxially within the outer filter. The outer and inner filters may be composed of a material having mesh, slots,...
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WO/2016/165813A1 |
A system for sampling a drilling fluid exiting the wellbore in a portion of a flowline (25) having a substantially closed section, comprising: - a first portion (80) connected in the closed-section portion of the flowline, comprising a c...
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WO/2016/167751A1 |
Various embodiments disclosed relate to methods of cleaning invert emulsion drilling fluids. In various embodiments, the present invention provides a method of cleaning a drilling fluid. The method includes cleaning a used invert emulsio...
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WO/2016/166533A1 |
A riser pressure relief apparatus comprising a tubular riser having a main passage and a side port to connect the main passage with the exterior of the riser, a pressure relief valve including a valve member which is movable between a fi...
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