Abstract: A production logging tool (1) comprising an elongated cylindrical body (10) of longitudinal axis (XX?), the body (10) carrying an articulated dual arms deploying arrangement (12), at least one arm carrying at least one sensor (16, 16A, 16B) to analyze at least one property of a multiphase fluid mixture (MF) flowing in a hydrocarbon well (2), said sensor (16, 16A, 16B) extending along a sensor axis (SS?), the articulated dual arms deploying arrangement (12) comprising two deploying arms (13A, 13B) and a sliding sleeve (19), the deploying arms (13A, 13B) being operable from a retracted configuration into a vertically extended configuration, the deploying arms (13A, 13B) being coupled together through an outermost end hinge (17) at outermost ends of said deploying arms (13A, 13B), one arm (13A) being coupled to a first end part of the body through a first hinge (23A) at another deploying arm end, and the other arm (13B) being coupled to a second end part of the body through a sliding sleeve hinge (26) at the sli

Abstract: A production logging tool comprises an elongated cylindrical body of longitudinal axis, the body carrying an articulated dual arms deploying arrangement comprising two deploying arms, the deploying arms being operable from a retracted configuration into a vertically extended configuration. At least one arm carries a segmented water level capacitance probe comprising multiple water level capacitance sensors sensitive to a water content of a multiphase fluid mixture flowing in a hydrocarbon well. The water level capacitance sensors are positioned along the arm such as to be positioned at different height from a bottom to a top of a highly deviated or horizontal section of the hydrocarbon well.

Abstract: Methods and system are provided for measuring parameters while drilling a wellbore using a coiled tubing drilling apparatus. An exemplary system includes an instrumented mandrel including a notch in an outer surface of the instrumented mandrel, and an indentation at each end of the notch. A sensor package in the system includes a sensor, a tubular assembly, and a mounting bracket at each end of the tubular assembly. The sensor package is sized to fit in the notch, with each of the mounting brackets fitting in one of the indentations at each end of the knot, and wherein the sensor package is substantially flush with the instrumented mandrel.

Abstract: A flowmeter measures a fluid velocity and/or direction of a moving multiphase fluid within a hydrocarbon well. The flowmeter includes a microwave front end module comprising transmit and receive antennas and a microwave circuit. The transmit antenna transmits electromagnetic signals towards the fluid at a high frequency ranging from 10 to 100 GHz. The flowmeter includes an analog electronics module converting an analog doppler signal successively into an amplified analog doppler signal and a digital doppler signal. The flowmeter includes a digital processing module comprising a Fast Fourier Transform algorithm for processing the digital doppler signal into a Doppler frequency spectrum. The Doppler spectrum contains information indicative of the fluid velocity and/or direction. A protective shell protects the modules from multiphase fluid.

Abstract: A depth positioning method to position a production logging tool (1) and a measurement log in a hydrocarbon well (3) in production obtained by means of the tool, the depth positioning method comprises: generating (S1, S2, S3, S1?, S2?, S3?, S11, S12, S13) a set of magnetic measurements (MAG1, MAG) of a depth portion of the hydrocarbon well from a first passive magnetic sensor along the depth portion of the hydrocarbon well, the set of magnetic measurements comprising magnitude and/or direction measurements of the magnetic field that forms a characteristic magnetic field pattern representative of a surrounding magnetic environment of the hydrocarbon well all along the depth portion; comparing (S4, S4?, S14) the set of magnetic measurements (MAG1, MAG) to another set of magnetic measurements (MAG_R, MAG2), the other set of magnetic measurements being a reference set of magnetic measurements generated either by a same or similar passive magnetic sensor deployed and run in the hydrocarbon well earlier, or by a

Abstract: The invention relates to oil wells and/or gas wells and more particularly a device and a method for acquiring and transmitting data in the wells based on an equipped tubular component (1) which comprises an internal surface (2), an external surface (3) and a main axis (X), an internal antenna (4) which is located on the side of the internal surface (2), an external antenna (5) which is located on the side of the external surface (3), which may comprise an opening (6) which extends from the external surface (3) and opens onto the internal surface (2), an electrical conductor extending in said opening (6).

Abstract: A method and system are geosteering in coiled tubing directional drilling. In an exemplary method, a response from a gas sensor disposed on a bottom hole assembly is measured and a gas parameter from the response is determined. A trend in the gas parameter is determined. Adjustments to geosteering vectors for the bottom hole assembly are determined based, at least in part, on the gas parameter, the trend, or both.

Abstract: Systems and methods are provided for geosteering in directional drilling based on water detection. An exemplary method includes determining a signal-to-noise ratio (SNR) for an electromagnetic communication between devices on a bottom hole assembly, and determining a distance to water based, at least in part, on the SNR. Adjustments to geosteering vectors for the bottom hole assembly are determined based, at least in part, on the distance to water.

Abstract: Methods and system are provided for measuring parameters while drilling a wellbore using a coiled tubing drilling apparatus. An exemplary system includes an instrumented mandrel including a notch in an outer surface of the instrumented mandrel, and an indentation at each end of the notch. A sensor package in the system includes a sensor, a tubular assembly, and a mounting bracket at each end of the tubular assembly. The sensor package is sized to fit in the notch, with each of the mounting brackets fitting in one of the indentations at each end of the knot, and wherein the sensor package is substantially flush with the instrumented mandrel.

Abstract: A production logging tool (1) comprising an elongated cylindrical body (10) of longitudinal axis (XX?), the body (10) carrying an articulated dual arms deploying arrangement (12), at least one arm carrying at least one sensor (16, 16A, 16B) to analyze at least one property of a multiphase fluid mixture (MF) flowing in a hydrocarbon well (2), said sensor (16, 16A, 16B) extending along a sensor axis (SS?), the articulated dual arms deploying arrangement (12) comprising two deploying arms (13A, 13B) and a sliding sleeve (19), the deploying arms (13A, 13B) being operable from a retracted configuration into a vertically extended configuration, the deploying arms (13A, 13B) being coupled together through an outermost end hinge (17) at outermost ends of said deploying arms (13A, 13B), one arm (13A) being coupled to a first end part of the body through a first hinge (23A) at another deploying arm end, and the other arm (13B) being coupled to a second end part of the body through a sliding sleeve hinge (26) at the sli

Abstract: A guiding sub-section (2) of a production logging tool (1) comprises a central rigid stem (30) having a first mechanical connector (33) at one end and a second mechanical connector (34) at an another end, and carrying a roller deploying arrangement (31) comprising multiple external articulated arms (35A, 35B, 35C) circumferentially distributed about said body, each articulated arm comprising a roller assembly (32A, 32B, 32C) adapted for contact with a wall (7) of the hydrocarbon well (4) and operable from a retracted configuration into a radially extended configuration.

Abstract: The invention relates to oil wells and/or gas wells and more particularly a device and a method for acquiring and transmitting data in the wells based on an equipped tubular component (1) which comprises an internal surface (2), an external surface (3) and a main axis (X), an internal antenna (4) which is located on the side of the internal surface (2), an external antenna (5) which is located on the side of the external surface (3), which may comprise an opening (6) which extends from the external surface (3) and opens onto the internal surface (2), an electrical conductor extending in said opening (6).

Abstract: A mini-spinner flowmeter measures a fluid linear velocity and/or a fluid direction of a fluid present in a hydrocarbon well. It comprises an impeller formed with a plurality of axially extending vanes longitudinally secured to a shaft, the shaft extending along a longitudinal axis, the impeller being caused to rotate at an impeller angular velocity depending on the fluid linear velocity and in a rotational direction depending on the fluid direction; and a support having a bearing positioned on each end of the shaft and a through-hole securing an optical section. The vanes are reflective such that, in use, a light energy emitted by an emitting optical fiber and reflected backward by anyone of the vanes is received by a first receiving optical fiber and/or a second receiving optical fiber, the reflected light energy containing information indicative of the fluid linear velocity and/or the fluid direction.

Abstract: A flowmeter intended for use within a hydrocarbon well for measuring a fluid velocity and/or a fluid direction of a moving multiphase fluid present in the hydrocarbon well. The flowmeter includes a microwave front end module comprising at least one transmit antenna and at least one receive antenna and a microwave circuit. The transmit antenna transmits electromagnetic signals towards the multiphase fluid at a high frequency ranging from 10 to 100 GHz. The flowmeter includes an analog electronics module converting an analog doppler signal successively into an amplified analog doppler signal and a digital doppler signal. The flowmeter includes a digital processing module comprising a Fast Fourier Transform algorithm for processing the digital doppler signal into a Doppler frequency spectrum and a filter providing a compressed Doppler frequency spectrum. The Doppler spectrum contains information indicative of the fluid velocity and/or the fluid direction of the moving multiphase fluid.

Abstract: A guiding sub-section (2) of a production logging tool (1) comprises a central rigid stem (30) having a first mechanical connector (33) at one end and a second mechanical connector (34) at an another end, and carrying a roller deploying arrangement (31) comprising multiple external articulated arms (35A, 35B, 35C) circumferentially distributed about said body, each articulated arm comprising a roller assembly (32A, 32B, 32C) adapted for contact with a wall (7) of the hydrocarbon well (4) and operable from a retracted configuration into a radially extended configuration.

Abstract: A downhole local solid particles counting probe (1) for counting solid particles (101) in a fluid (100) present in a hydrocarbon well in production comprising: an elongated and flexible protective tube (2) defining an internal cavity (5) terminating by a membrane wall (3) defining a tip (4), the protective tube (2) and the membrane wall (3) isolating the internal cavity (5) from the fluid (100) of the hydrocarbon well, the protective tube (2) and membrane wall (3) are made of metal or metal alloy and have a thickness (ei) such as to resist to the downhole hydrocarbon well pressure; a passive acoustic sensor (6) mounted inside the internal cavity (5), the passive acoustic sensor (6) having a front side (7) mechanically coupled on the membrane wall (3) of the tip (4); a characteristic dimension of the passive acoustic sensor (6) is similar to solid particles (101) average characteristic dimension, ranging from 0.5 mm to 1.

Abstract: A downhole optical chemical compound monitoring device (30) arranged to be integrated in a mandrel (20) of a drilling system, for monitoring a chemical compound in a drilling fluid (14B) circulated through a well (7, 8), the downhole optical chemical compound monitoring device (30) comprising: an analysis cell part (31) comprising an open cavity (40, 140) into which the drilling fluid (14B) is free to flow; a first optical probe (41A, 141A) coupled to a light source (157) and arranged to transmit a light energy into the open cavity (40, 140); a second optical probe (41B, 141B) coupled to a detector (158) and arranged to produce in use a signal resulting from an interaction of the drilling fluid (14B) present in the open cavity (40, 140) with said light energy, indicative of a quantity of chemical compound present in the drilling fluid (14B); each of said optical probes is mounted through a wall (38A, 38B, 138A, 138B) of the analysis cell part (31) in a sealed manner and has a tip (45A, 45B), the tip being

Abstract: A downhole fluid properties optical analysis probe (1) to analyze at least one property of a multiphase flow mixture (100) flowing in a hydrocarbon well (51) has an elongated cylindrical body shape. It comprises an optical tip (5) at one end of the elongated cylindrical body arranged to be in contact with the multiphase flow mixture (100). It further comprises an optical link (6) adapted for a connection with an electronics module (11) at another end of the elongated cylindrical body arranged to be separated from the multiphase flow mixture (100). The optical tip (5) is coupled to the optical link (6) through a removable and watertight coupling (7).

Abstract: A mini-spinner flowmeter (1) is intended for use in a hydrocarbon well (101) for measuring a fluid linear velocity and/or a fluid direction (F1, F2) of a fluid (100) present in the hydrocarbon well (101). It comprises an impeller (2) formed with a plurality of axially extending vanes (3) longitudinally secured to a shaft (4), the shaft (4) extending along a longitudinal axis (XX?), the impeller (2) being caused to rotate at an impeller angular velocity depending on the fluid linear velocity and in a rotational direction (Rt1, Rt2) depending on the fluid direction (F1, F2); and a support (5) having a bearing (6, 7) positioned on each end of the shaft (4) and a through-hole (8) securing an optical section (9).

Abstract: A downhole ultrasonic transducer (10) used to transmit and/or receive ultrasonic waves in a hydrocarbon well where a fluid is present comprises: a metal housing (11) defining an internal cavity (12) isolated from the fluid of the hydrocarbon well (100) by a membrane wall (13) made of metal or metal alloy; a piezoelectric element (14) mounted inside the internal cavity (12), the piezoelectric element (14) having a front side (20) mechanically coupled on the membrane wall (13); wherein: the internal cavity (12) is at a pressure unrelated to a hydrocarbon well pressure; a back side (21) of the piezoelectric element (14) is arranged to be free to oscillate in the internal cavity (12) so as to generate a high acoustic impedance mismatch between the piezoelectric element (14) and the internal cavity (12) at the back side (21) and to maximize acoustic transmission at the front side (20); and a thickness (ei) of the membrane wall (13) is such that there is a common resonance between the membrane wall and the piezo