A hydraulic choke for a flow stream from a well with large diameter particulate matter of a finite amount includes an inlet with a defined inlet flow area and a chamber with a defined chamber flow area. The inlet flow area is about ⅓ the size of the chamber flow area. The choke further includ
A hydraulic choke for a flow stream from a well with large diameter particulate matter of a finite amount includes an inlet with a defined inlet flow area and a chamber with a defined chamber flow area. The inlet flow area is about ⅓ the size of the chamber flow area. The choke further includes a gate in the chamber surrounded by a housing separated from the chamber wall, a piston for engaging the gate against a seat, a studded outlet in communication with the chamber in the same plane as the inlet, and a studded solids removal outlet in communication with the chamber. The studded solids removal outlet is oriented approximately 90 degrees from the inlet position to permit the large diameter particulate matter to fall from the flow stream and into a solids receptacle for collecting the large diameter particulates matter. The solids receptacle is in communication with the studded solids removal outlet.
대표청구항▼
1. A hydraulic choke for a flow stream from a well having large diameter particulate matter of a finite amount, comprising:a. an inlet having a defined inlet flow area;b. a chamber having a defined chamber flow area, in fluid communication with the inlet comprising a chamber wall, a first end, and a
1. A hydraulic choke for a flow stream from a well having large diameter particulate matter of a finite amount, comprising:a. an inlet having a defined inlet flow area;b. a chamber having a defined chamber flow area, in fluid communication with the inlet comprising a chamber wall, a first end, and a second end and wherein the inlet flow area is about ⅓ the size of the chamber flow area;c. a gate disposed in the chamber surrounded by a housing, and a piston for engaging the gate against a seat, and wherein the housing is separated from the chamber wall;d. a studded outlet in communication with the chamber in the same plane as the inlet;e. a studded solids removal outlet in communication with the chamber oriented approximately 90 degrees from the inlet and positioned to permit the large diameter particulate matter to fall from the flow stream; andf. a solids receptacle for collecting the large diameter particulates matter in communication with the studded solids removal outlet. 2. The hydraulic choke of claim 1, wherein the large diameter particulate matter has a diameter of up to 1 inch. 3. The hydraulic choke of claim 1, wherein the large diameter particulate matter is a member of the group consisting of rock, iron pieces, other debris, and combinations thereof. 4. The hydraulic choke of claim 1, wherein the finite amount of large diameter particulate matter has a volume of up to six cubic feet. 5. The hydraulic choke of claim 1, wherein the hydraulic choke sustains pressure between 5000 psi and 20,000 psi during operation. 6. The hydraulic choke of claim 1, wherein studded solids removal outlet has a diameter small than the diameter of the inlet. 7. The hydraulic choke of claim 1, further comprising:a. a flange secured to the studded solids removal outlet;b. a hammer union connection engaging the flange;c. a seal engaging the hammer union connection;d. a hammer union straight engaging the hammer union connection; ande. a cap connected to the hammer union straight. 8. The hydraulic choke of claim 1, wherein at least eight studs are used in the studded solids removal outlet. 9. A method of improving the operation of a hydraulic choke for a natural gas well or oil well, comprising the steps of:a. flowing a hydrocarbon flow stream from an inlet having a defined inlet flow area into a chamber having a defined chamber flow area, wherein the inlet flow area is ⅓ the flow area of the chamber flow area, and wherein the chamber contains a gate surrounded by a housing for engaging a seat and actuated by a piston;b. flowing the flow stream around the housing in the chamber;c. removing a portion of large diameter particulate matter from the chamber as the velocity of the flow stream is changed from the inlet to the chamber; andd. flowing the large diameter particulate matter out of the chamber through a studded solids removal outlet. 10. The method of claim 9, wherein the natural gas well or oil well is a production well. 11. The method of claim 9, wherein the natural gas well or oil well is a drilling well. 12. The method of claim 9, wherein the velocity of the flow stream is reduced to 33% of its original flow as the flow stream moves from the inlet to the chamber. 13. The method of claim 9, further comprising the step of periodically interrupting the flow stream by using the piston to engage the gate against the seat to stop flow of the flow stream to remove additional large diameter particles.
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이 특허에 인용된 특허 (8)
Perkins Lee E. (127 Malibu Blvd. Houma LA 70360), Apparatus and method for controlling the flow of fluids from a well bore.
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