Abstract: A pumping system deployed in a wellbore has a motor, a pump driven by the motor, and a volumetric compensator connected to the motor to accommodate the expansion and contraction of fluids contained within the motor. The volumetric compensator has a head connected to the motor, a base that includes a fluid exchange port that extends to the wellbore, and a housing extending between the head and the base. The volumetric compensator further includes an inverted bellows assembly contained within the housing. The inverted bellows assembly includes a metal bellows that has an interior, an exterior, a proximal end and a distal end. The interior of the metal bellows is in fluid communication with the wellbore. The inverted bellows assembly may also include one or more guide rings connected to the exterior of the metal bellows. The guide rings are lubricated by the clean motor fluid surrounding the exterior of the metal bellows.

Abstract: A method of analyzing a structural condition of a machine is described. The method includes determining a position of a portion of a machine, a rotating shaft, a fluid transfer system, or a reciprocating machine in operation; collecting an image of the portion with an image collector; synchronizing the determined position of the portion with the collected image of the portion; amplifying the synchronized image; and storing the amplified image to a memory. Related apparatuses, systems, storage media, techniques and articles are also described.

Abstract: Non-aqueous drilling fluids may be removed from a wellbore or tubing nor casing within the wellbore by introducing into the well a biodegradable aqueous fluid comprising banana.

Abstract: A seal section for use in a downhole submersible pumping system includes a bag support tube, first and second bag support plates connected at opposite ends of the bag support tube, and a seal bag extending between the first and second bag support plates. The seal section further includes one or more seal bag shields inside the seal bag. The seal bag shields are configured to prevent the seal bag from becoming damaged through contact between the seal bag and the bag support tube or the first and second bag support plates.

Abstract: A scale inhibitor squeeze treatment is enhanced by injecting a pre-flush solution into a wellbore, where the pre-flush solution includes at least one organic carbonate solvent, such as a dialkyl carbonate and/or a cyclic carbonate. The use of an organic carbonate solvent can help prevent the pre-flush solution emulsion formation, help avoid water-blocking, and enhance scale inhibitor adsorption. The use of an organic carbonate solvent also permits the pre-flush solution to be free of water, in one non-limiting embodiment.

Abstract: An embodiment of a PCD insert comprises an embodiment of a PCD element joined to a cemented carbide substrate at an interface. The PCD element has internal diamond surfaces defining interstices between them. The PCD element comprises a masked or passivated region and an unmasked or unpassivated region, the unmasked or unpassivated region defining a boundary with the substrate, the boundary being the interface. At least some of the internal diamond surfaces of the masked or passivated region contact a mask or passivation medium, and some or all of the interstices of the masked or passivated region and of the unmasked or unpassivated region are at least partially filled with an infiltrant material.

Abstract: A side pocket mandrel for use in a gas lift system is configured to improve the recovery of petroleum fluids from a well. The side pocket mandrel includes an upper assembly joint, a lower assembly joint, and a central portion that has a total length (LT). The side pocket mandrel further comprises a central bore extending through the side pocket mandrel along a central longitudinal axis that extends through the upper and lower assembly joints. The side pocket mandrel further includes a tool channel offset from the central bore and a side pocket tube linearly aligned with the tool channel and configured to receive a gas lift valve. The side pocket mandrel further includes a pair of primary flow blocks that each have a length (LFa) that is at least 35% of the total length (LT) of the central portion of the side pocket mandrel.

Abstract: In one aspect, embodiments of the present disclosure are directed to a process for manufacturing a side pocket mandrel that involves welding upper and lower swages to a central body of the side pocket mandrel. In some embodiments, the process includes the steps of providing a first side of the welded joint and a second side of the welded joint, where the first and second sides are either the central body or the swage. The process continues with the step of approximating the first and second sides such that the first and second sides are in contact. Importantly, the first and second sides are brought together without creating a root gap between the first and second sides. Next, the first and second sides are welded together to form the welded joint between the swage and the central body.

Abstract: Non-acidic sulfur compounds (e.g., thiols) can be selectively extracted from a hydrocarbon stream containing them (e.g., crude oil) by contacting the hydrocarbon stream with a carbonate solvent that contains at least one organic carbonate (e.g., propylene carbonate) in an amount effective to selectively absorb and extract the non-acidic sulfur compounds therefrom. The carbonate solvent may optionally also comprise an additional solvent (e.g., caprolactam), a soluble metal salt (e.g., a metal salt where the metal is iron), and/or a mercaptan scavenger that is a heterocyclic amine (e.g., oxazolidine).

Abstract: Methods, systems, and apparatuses for remote well operation control. Methods include conducting, with a plurality of remote well operation control hosts operating on corresponding remote well logging data acquisition management systems, a well operation using a well operation system at a well, wherein the well operation system includes a carrier having disposed thereon at least one logging instrument. Methods may include establishing a first operational control relationship between the carrier and a first of the plurality of remote well operation control hosts sufficient for the first remote well operation control host to control the carrier; and establishing a second operational control relationship between a selected one of the at least one logging instrument and a second remote well operation control host different than the first, the operational control relationship sufficient for the second remote well operation control host to control the at least one logging instrument and receive logging data.

Abstract: Downhole drilling characteristic measurement systems for measuring a characteristic of drilling through the earth's subsurface and methods of the same are described. The systems include a downhole tool having an active measurement system, comprising a receiver, a first transmitter, and a second transmitter and a controller in communication with the first transmitter and the second transmitter, the controller configured to control the first transmitter and the second transmitter to transmit a first transmitted signal from the first transmitter and a second transmitted signal from the second transmitter. The receiver is arranged to receive a first received signal from the first transmitted signal and a second received signal from the second transmitted signal. A processor is configured to determine a characteristic of drilling from the first received signal and the second received signal.

Abstract: An instrument panel includes a frame defining an opening, a plurality of cards, and an HMI. The cards have a front face, a rear face, one or more circuits, and a data interface on the rear face in communication with the circuits. The cards include one or more first cards and one or more second cards. The first cards front face have a vertical dimension approximately equal to a vertical dimension of the opening. The second cards have a body, a nose projecting from the body defining the second cards front face, and a recess between the nose and body. The HMI includes a front face received within the opening. The first cards are positioned with the front face visible within the opening. The second cards are positioned with the nose visible within the opening and a depth of the HMI received within the recess.

Abstract: A submersible pumping system for producing a fluid from a wellbore through production tubing to a wellhead includes a motor controlled by a motor drive, a pump driven by the motor, and one or more downhole sensors configured to measure conditions at the motor and pump. An intake fluid density control system has a control fluid reservoir positioned above the pump that is configured to release a density control fluid to the intake of the pump under the force of gravity. The release of the density control fluid can be controlled by a dump valve that automatically moves between open, closed, and intermediate positions in response to a control signal based on measurements made by the downhole sensors or motor drive.

Abstract: In at least one embodiment, a well inspection method and system is disclosed. The method includes transmitting an acoustic signal from a well inspection tool into a casing structure, receiving return signals from the casing structure to the well inspection tool, performing, using at least one processor associated with the well inspection tool, a Fast Fourier Transform (FFT) on a plurality of frequencies of the return signals to generate spectrogram data, determining entropy spectra from the spectrogram data, and determining casing loadings associated with the casing structure based at least in part on the entropy spectra.

Abstract: An electrical submersible pumping system (“ESP”) for use in a wellbore includes an electrical motor, a pump, a shaft coupled between the motor and pump, and a lubricant pump for circulating lubricant within the ESP. The lubricant pump includes a diffuser and an impeller that mounts onto and rotates with shaft rotation. A portion of the impeller has a frusto-conical outer surface, which is circumscribed by a portion of the diffuser profiled complementary to the frusto-conical portion of the impeller. The pump directs lubricant flow in a single direction irrespective of the rotational direction of the shaft.

Abstract: A system for downhole optical analysis includes a housing forming at least part of a pressure barrier. The system also includes a window, formed at an end of the housing, the window being at least semi-transparent to permit light to travel through the window. The system further includes at least one light source, arranged within the housing, wherein the at least one light source is configured to emit a beam of light at a wavelength to enable non-contact, optical cleaning of the window, the wavelength being selected to reduce interaction with the window while heating a fluid film formed on the window outside the housing.

Abstract: A method of making a flexible pipe layer, which method comprises: commingling polymer filaments and carbon fibre filaments to form an intimate mixture, forming yarns of the commingled filaments, forming the yarns into a tape, and applying the tape to a pipe body to form a flexible pipe layer.

Abstract: Systems, methods, and computer readable medium are provided for determining a wall loss measurement associated with corrosion and/or erosion present within an insulated pipe. A inspection image is acquired for a pipe wall of an insulated pipe at a first location and used to determine an inspection thickness of the pipe wall at the first location. An amount of wall loss measurement can be determined based on a difference of a nominal thickness for the pipe wall at the first location and the determined inspection thickness. The wall loss measurement can characterize an amount of wall material lost due to corrosion and/or erosion present in the pipe wall at the first location. The wall loss measurement can be output for further processing and/or display.

Abstract: Methods and systems for performing cleaning operations in boreholes penetrating earth formations are described. The methods include obtaining parameter information related to one or more angles of inclination, comparing the obtained parameter information to one or more criteria associated with each respective obtained parameter, generating a cuttings bed model based on the obtained parameter information, obtaining additional parameter information related to the one or more angles of inclination, updating the cuttings bed model in a pseudo-transient manner, determining that a hole cleaning operation is necessary, and at least one of (i) generating an indication that a hole cleaning operation is to be performed and (ii) automatically performing a hole cleaning operation.

Abstract: A separable tool including a mill section, a mill face disposed on the mill section and having a bore therethrough that is offset from a longitudinal axis of the mill section, a tool adapter section, and a release configuration releasably securing the mill section to the tool adapter section with the mill face disposed between the mill section and the tool adapter section. A method for operating a wellbore system including in a single run, setting a plug in the wellbore system, releasing the plug, pumping cement, dressing the cement, and testing the cement.