# US 12,180,812 B2 · Modified jet pump incorporating a support for MPLT logging at the bottom of an oil well > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,180,812 B2 - Document ID: US12180812B2 - Status: Granted - Kind: B2 - Application number: 18/007,011 - Filed: 2021-07-26 - Published: 2024-01-11 - Granted: 2024-12-31 - Earliest claimed: 2021-07-26 - Applicants: Byron Raul López Robayo - Inventors: Byron Raul López Robayo - Web page: https://patentgrep.com/patent/US12180812B2 ## CPC - E21B 43/124: {Adaptation of jet-pump systems} - E21B 47/01: Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like - E21B 49/00: Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells - F04F 5/44: Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42 - E21B: EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS - F04F: PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED {(evacuating by sorption F04B)}; SIPHONS {(conveying materials in bulk by flows of gas, liquid of foam B65G53/00)} ## Abstract A jet pump for oil production involving extraction by hydraulic lift and consists of a jet pump integrally redesigned so that it is traversed by a cable for the control of the recorders of the production variables of the oil well. This control can be performed from the surface, enabling the collection of data related to measurements such as pressure, temperature and flow, both in static conditions of the well, i.e. when the well is not pumping, and in dynamic conditions, i.e. when the well is in production, and also have the security of the recovery of recorded data and measurement tools, known by its acronym MPLT (Memory Production Logging Tools), to determine the productive status of the well and make timely decisions in the management and administration of the same. ## Claims ### Claim 1 A downhole jet pump wherein a steel cable is incorporated axially centered in relation to the pump, which crosses said pump longitudinally from a fishing collar to a rod davit, to be secured to a fishing head by means of a hitch or knot system, and where the steel cable is fastened and guided inside the pump by only two places, one location at a top level of the fishing collar passing through a first seal package, and another location at a bottom of the pump at a level of a well shut-off valve passing through a second seal package. ### Claim 2 (depends on 1) The pump claimed in claim 1, wherein the fishing collar: a. houses within it the first seal package for sealing and securing the passage of the steel cable supporting a string of gauges and whose setting pressure and locked position are regulated by the action of a threaded seal retainer; and, b. and in the same, two injection ports are provided where a motive fluid activates the pump enters. ### Claim 3 (depends on 1) The jet pump according to claim 1, wherein it incorporates in the upper section next to the fishing collar, a discharge connector which has in its interior ducts for discharge of the motive fluid and for suction of oil; both ducts, parallel to each other, with longitudinal and axial runs in relation to a sliding sleeve, without edges, angles or bends, and which discharge a mixture of production and injection fluids directly into an annular space through a plurality of circulation ports of the sliding sleeve. ### Claim 4 (depends on 3) The jet pump according to claim 3, wherein at a lower end of the pump the pump has a fishing attachment that holds a string of measuring sensors by means of the fishing head, wherein an inner part it secures the steel cable with a knot. ### Claim 5 (depends on 4) The jet pump according to claim 4, wherein the fishing head is attached to a string of recorders, which are manipulated from the surface through the steel cable. ### Claim 6 (depends on 5) The jet pump according to claim 5, wherein the fishing head is housed in a space within the rod davit. ### Claim 7 (depends on 1) The pump according to claim 1, wherein mixing fluids resulting from a Venturi system, discharge directly into an annular space, through discharge pipe ports, located immediately downstream of the discharge connector, and through circulation ports to be lifted to the surface. ### Claim 8 (depends on 7) The pump according to claim 7, wherein the mixing fluids discharged from the Venturi system, discharge directly into the annular space, through the discharge pipe ports, located immediately downstream of a discharge connector, and through a sliding sleeve to be lifted to the surface. ### Claim 9 (depends on 8) The pump according to claim 8, wherein the discharge connector for the housing in the upper part of the pump of the aforementioned elements has a larger diameter in relation to the lower section of the pump which is inserted into the sliding sleeve. ### Claim 10 (depends on 9) The jet pump according to claim 9, wherein in a lower section of the pump there is a bypass system that is actuated by a hydraulic pressure injected from the annular space, when the pump is required to recover, which shears a plurality of safety pins, releasing a connector mandrel that slides down and opens a circulation of fluid from a top of the pump to a bottom of a reservoir, through the sliding sleeve, with the purpose of balancing a differential pressure allowing the pump to be safely extracted. ### Claim 11 (depends on 9) The jet pump according to claim 9, further comprising a solids filter at the site of entry of the motive fluid into the Venturi system. ### Claim 12 (depends on 11) The jet pump according to claim 11, wherein at a lower end of the pump the pump has a fishing attachment that holds a string of measuring sensors by means of the fishing head, wherein an inner part it secures the steel cable with a knot. ### Claim 13 (depends on 1) The pump claimed in claim 1, wherein elements of the jet pump that produce a Venturi effect of suction and discharge are positioned laterally in relation to the central axis of the pump and towards an upper part of the pump. ### Claim 14 (depends on 13) The jet pump according to claim 13, further comprising a solids filter at the site of entry of the motive fluid into the Venturi system. ### Claim 15 (depends on 1) The jet pump according to claim 1, wherein a well shut-off valve which is a one-way valve, to close a fluid passage from the top of the pump, displaces downward a sealing ring which is pressed by a spring, producing a metal-to-metal seal against a valve seat. ### Claim 16 (depends on 15) The jet pump claimed according to claim 15 wherein in the well shut-off valve a sealing ring in an “O” shape allows passage of the steel cable that supports a logger string and constitutes a second support and guide for the steel cable. ### Claim 17 (depends on 1) The jet pump according to the claim 1, wherein downstream of the shut-off valve it has a solid filtering system consisting of an internal suction filter and an external suction filter. ### Claim 18 (depends on 1) The jet pump according to claim 1, wherein at a lower end of the pump the pump has a fishing attachment that holds a string of measuring sensors by means of the fishing head, wherein an inner part of the fishing head secures the steel cable with a knot. ### Claim 19 (depends on 18) The jet pump according to claim 18, wherein the fishing head is attached to a string of recorders, which are manipulated from the surface through the steel cable. ### Claim 20 (depends on 1) The jet pump according to claim 1, wherein the fishing head is housed in a space within the rod davit.