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Systems and Methods for Determining Proper Phase Rotation in Downhole
Systems and methods for determining proper phase rotation in a linear motor that may be used in an ESP system, where the phase rotations associated with power...
REDRESSING METHOD AND REDRESSED COMPLETION SYSTEM
A redressing method for arranging an inner production casing within an existing production casing in order to re-establish production of hydrocarbon-containing...
SAND CONTROL SCREEN ASSEMBLIES WITH EROSION-RESISTANT FLOW PATHS
A sand control screen assembly includes a base pipe having an interior and defining one or more flow ports. At least one sand screen is arranged about the...
METHOD FOR ESTIMATING PETROPHYSICAL PROPERTIES OF A HYDROCARBON RESERVOIR
Estimating petrophysical properties of a hydrocarbon reservoir traversed by at least one wellbore comprises obtaining at least one core sample from the...
SIMPLIFIED COMPOSITIONAL MODELS FOR CALCULATING PROPERTIES OF MIXED FLUIDS
IN A COMMON SURFACE NETWORK
System and methods of simulating fluid production in a multi-reservoir system with a common surface network are presented. An equation of state (EOS)...
SERIAL PARALLEL POWER CONTROLLER
A power controller includes at least a first and a second power supply each having a positive and a negative output terminal. A voltage measuring circuit is...
RETRIEVAL OF SUBSEA PRODUCTION AND PROCESSING EQUIPMENT
A method includes disconnecting subsea equipment containing a first fluid from an installation in a subsea environment, wherein the first fluid is a produced...
CENTRALIZING AND PROTECTIVE ADAPTER FOR DOWNHOLE TORCH AND METHOD OF USE
Apparatus and adapter are usable for aligning downhole torch apparatuses and cutting devices, including axial pyro torches, circulating pyro torches, and...
MAGNETIC DOWNHOLE TOOL AND RELATED SUBASSEMBLIES HAVING MU-METALLIC
Systems and related methods are disclosed that involve the use of a magnetic downhole assembly or a magnetic downhole tool. The assembly and tool include a...
PLUNGER ASSEMBLY WITH DAMPENING SYSTEM
The present application includes and assembly having a rigid hollowed body and an internal dart configured to traverse the length of a well bore and remove...
PLUNGER ASSEMBLY WITH INTERNAL DART PASSAGE
The present application includes and assembly having a hollowed body configured to traverse the length of a well bore and remove contaminants. The hollowed...
An activating device is provided for location in downhole tubing. The device defines an activation profile which is initially maintained at a larger diameter...
DOWNHOLE TOOL HAVING ADJUSTABLE AND DEGRADABLE RODS
A downhole assembly comprising: a tubing string located within a wellbore; an outer housing located around a portion of the tubing string; an annulus located...
DUAL TYPE ICD
The present disclosure relates to passive inflow control devices or ICDs having two types of fluidic pathways combined in the same device or well in series or...
FLOW BALANCING FOR A WELL
Flow balancing includes selecting, for each down hole flow control valve of a well, a transformed well performance curve corresponding to a first down hole...
DRILL STEM SAFETY VALVE ACTUATOR
A drill stem safety valve actuator that eliminates the need for a hydraulic union is provided. The actuator can include a mounting sleeve that can be affixed...
DOWNHOLE TOOL HAVING A MANDREL WITH A RELIEF POINT
Embodiments of the disclosure pertain to a downhole tool useable for isolating sections of a wellbore that includes a mandrel; a first slip disposed around the...
DOWNHOLE EXPANDABLE METAL TUBULAR
The present invention relates to a downhole expandable metal tubular to be expanded in a well downhole from a first outer diameter to a second outer diameter...
ROTATING BACKUP SYSTEM FOR PACKER ELEMENTS USED IN NON-RETRIEVABLE
A packer element assembly includes an annular sealing element having inner and outer sides, wherein the sealing element is axially compressible from a first...
Seal Pressure Relaxation Device Prior to Release of Retrievable Packer
A retrievable packer has its sealing system unloaded before the slip system is relaxed by separation of slip cones from slips that flank the seal assembly. The...
High Energy Severing Tool With Pressure Balanced Explosives
A high energy pipe severing tool is arranged to align a plurality of pressure balanced explosive pellets along a unitizing central tube that is selectively...
DRILL STRING PRESSURE ALTERING APPARATUS AND METHOD
An apparatus for creating vibrations in a pipe string is disclosed. The device comprises a fluid pump which pumps fluid within a first fluid bore and is...
EXPANDABLE BALL SEAT FOR USE IN FRACTURING GEOLOGIC FORMATIONS
A ball seat is expanded and held in place within a casing using an expander. The ball seat includes one or more gripping elements and one or more sealing...
COMBINED SURFACE AND DOWNHOLE KICK/LOSS DETECTION
A method for verifying that a kick or loss detected by surface monitoring equipment has occurred includes: receiving an input signal having notification that a...
APPARATUS AND METHODS FOR DOWNHOLE TOOL DEPLOYMENT FOR WELL DRILLING AND
OTHER WELL OPERATIONS
The disclosure herein relates generally to devices and methods usable during well drilling and surface operations. More particularly, the disclosure herein...
TORQUE WRENCH APPARATUS AND METHOD FOR MAKING AND BREAKING JOINTS
A torque wrench apparatus comprises a top wrench, a bottom wrench, and a middle wrench. The top and bottom wrenches are configured such that either one of them...
DEDICATED WIREWAYS FOR COLLAR-MOUNTED BOBBIN ANTENNAS
A system to protect a downhole antenna from fluid penetration, in some embodiments, comprises a collar; a bobbin antenna, mounted on the collar, including...
Bottom-Hole Feeding Mechanism
A bottom-hole feeding mechanism comprising: a cylinder (1), a screw spindle (2) engaging with the cylinder (1) by means of a non-stopping splined screw pair...
DOWNHOLE SWIVEL APPARATUS AND METHOD
What is provided is a method and apparatus which can be detachably connected to an annular blowout preventer thereby separating the drilling fluid or mud into...
A washpipe assembly is described for a passage of pressurized drilling fluid from a stationary first conduit member to a rotating second conduit member. The...
The sinker bar can have at least one pin with a shoulder that is at least 1.600 inches from the end of the pin to provide greater stability and easy make-up....
METHOD OF INCORPORATING REMOTE COMMUNICATION WITH OILFIELD TUBULAR
Signal communications at a drilling system generally includes communicating upwards or downwards from the rig floor. For example, signal communications upwards...
METHODS FOR REPLACING PIN ENDS AND REPAIRING COATINGS ON COATED CONTINUOUS
In a method for repairing a fractured coated continuous sucker rod, the pin end segment of the broken rod is discarded, the remaining rod is cut off, and the...
VELOCITY SWITCH FOR INFLOW CONTROL DEVICES AND METHODS FOR USING SAME
An apparatus for controlling a flow of a fluid between a flow bore of a wellbore tubular and a wellbore annulus may include an inflow control device having at...
SIDE SADDLE SUBSTRUCTURE
The drilling rig includes a first substructure and a second substructure. The second substructure is positioned generally parallel to and spaced apart from the...
DOWNHOLE CUTTING TOOL HAVING SENSORS OR RELEASABLE PARTICLES TO MONITOR
WEAR OR DAMAGE TO THE TOOL
A wellbore formation system includes a downhole cutting tool having a body and at least one cutting element. A sensor is coupled to the downhole cutting tool,...
TWO-PHASE MANUFACTURE OF METAL MATRIX COMPOSITES
A method for fabricating a metal-matrix composite tool includes positioning an inner mold within an outer mold and thereby defining a gap between the inner and...
METHODS OF FORMING CUTTING ELEMENTS AND EARTH-BORING TOOLS CARRYING SUCH
A method of forming a cutting element for an earth-boring tool includes forming a table of superabrasive material over a substrate in an HTHP environment such...
Vertical Shaft Drilling Rig Using Novel Drilling Method
A vertical shaft drilling rig using a novel drilling method, mainly comprising a derrick (1) and a mouth sealing flatcar (4) installed at the wellhead, and...
MULTI-ACCUMULATOR ARRANGEMENT FOR HYDRAULIC PERCUSSION MECHANISM
The present invention relates to a hydraulically powered percussion mechanism (12), comprising a piston (6) to impact a percussion bit (8). The percussion...
A fastening apparatus detachably and simultaneously joins with a climbing assembly and a mounting surface to maintain a secure connection there between. A rod...
The Ladder Pad relates but, not limited, to U.S Class 182/107 in the field of safety device for ground-supported ladder. The invention provides ladder rail...
Stepladder Having a Ladder Top with Conduit Holder Slot and Method
The present invention pertains to a stepladder. The stepladder includes a ladder top having a plane having a front side and a rear side and a left side and a...
TRANSITION DEVICE FOR EXTENSION LADDERS
A transition device for fitting to an extension ladder includes a single elongate rung portion and two hook-shaped arm portions at respective opposite ends of...
A gate comprises a spring-loaded hinge arrangement defining a rotational axis. A gate structure having a first support arm connected to a first end of the...
ACCESS CONTROL APPARATUS
An access control apparatus for persons or motor vehicles can be illuminated on both sides facing the persons or motor vehicles arriving along the access track...
VARIABLE RESISTANCE BRAKE FOR USE WITH A ROLLER TUBE OF A WINDOW TREATMENT
A variable resistance brake may be operably coupled to a window treatment, such as to the roller tube of a motorized roller shade. The variable resistance...
DOOR CURTAINS WITH POSITION SENSOR SWITCHES
Door curtains with position sensor switches are disclosed. An example door for selectively blocking and unblocking a passageway includes a frame to be adjacent...
RETRACTABLE WALL SYSTEM
The present invention is directed to an apparatus for erecting a retractable wall system. More particularly, this invention relates to a retractable wall...
IMPROVED SCREEN SYSTEM
A screen system for use with a sliding panel of a window or door is used to screen an opening as the sliding panel or door is opened. The screen is attached to...