Adjustable choke device for a production tube
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-034/06
E21B-023/02
E21B-043/12
E21B-034/14
E21B-034/00
출원번호
US-0911430
(2013-12-23)
등록번호
US-10145206
(2018-12-04)
국제출원번호
PCT/US2013/077603
(2013-12-23)
국제공개번호
WO2015/099685
(2015-07-02)
발명자
/ 주소
Williamson, Jimmie Robert
출원인 / 주소
HALLIBURTON ENERGY SERVICES, INC.
대리인 / 주소
Polsinelli PC
인용정보
피인용 횟수 :
0인용 특허 :
13
초록▼
Variable flow, internally adjustable choke (100) configured to be incorporated into a production tubing (200) of a subterranean well (300). The internally adjustable choke (100) includes a cylindrical choke body (102) having a longitudinal centerline (104); a cylindrical flow adjustment sleeve (110)
Variable flow, internally adjustable choke (100) configured to be incorporated into a production tubing (200) of a subterranean well (300). The internally adjustable choke (100) includes a cylindrical choke body (102) having a longitudinal centerline (104); a cylindrical flow adjustment sleeve (110) concentrically and interiorly located with respect to the body (102); a plurality of fluid inlets (120) into the body (102) that establish fluid communication from outside the body (102) to an inlet annular reservoir (122) within the body (102); a pair of cylindrical, longitudinally aligned annular rings (130, 132), each ring (130, 132) having a plurality of longitudinally oriented flow ports 140 therethrough; an outlet annular reservoir (160) within the body (102); and a plurality of open ports (170) through the sleeve (110), each at least partially radially aligned with the outlet annular reservoir (160) and open thereto for fluid communication therewith.
대표청구항▼
1. A variable flow, internally adjustable choke configured to be incorporated into a production tubing of a subterranean well, the internally adjustable choke comprising: a cylindrical choke body having a longitudinal centerline and configured to be interconnected into a production tubing of a subte
1. A variable flow, internally adjustable choke configured to be incorporated into a production tubing of a subterranean well, the internally adjustable choke comprising: a cylindrical choke body having a longitudinal centerline and configured to be interconnected into a production tubing of a subterranean well;a cylindrical flow adjustment sleeve concentrically and interiorly located with respect to the body, the sleeve coupled to the body for relative rotation therebetween;a plurality of fluid inlets into the body that establish fluid communication from outside the body to an inlet annular reservoir within the body, wherein each of the plurality of fluid inlets comprises: a fluid inlet tubule within the body, the tubule having an inlet aperture at an exterior of the body in fluid communication with an elongate extension channel that is in fluid communication with the inlet annular reservoir;a pair of cylindrical, longitudinally aligned annular rings, one fixed to the sleeve and the other fixed to the body for relative rotation, one to the other, upon rotation of the sleeve within the body;each ring having a plurality of longitudinally oriented flow ports therethrough, wherein the flow ports in one ring are variably alignable with the flow ports in the other ring thereby establishing a variably configurable composite flow channel across the rings in dependence upon the degree of registration of the flow ports of one ring relative to the flow ports of the other ring;an outlet annular reservoir within the body, circumscribing the sleeve and in fluid communication with the composite flow channel across the rings; anda plurality of open ports through the sleeve, each at least partially radially aligned with the outlet annular reservoir and open thereto for fluid communication therewith. 2. The internally adjustable choke of claim 1, wherein the inlet aperture has a centerline aligned substantially longitudinally with respect to the body of the choke. 3. The internally adjustable choke of claim 1, wherein the inlet aperture opens to the exterior of the choke at a circumscribing shoulder of the body. 4. The internally adjustable choke of claim 1, wherein the elongate extension channel is cylindrically shaped and has a centerline aligned substantially longitudinally with respect to the body of the choke. 5. The internally adjustable choke of claim 4, wherein the centerline of the elongate extension channel is longitudinally aligned with respect to the body of the choke. 6. The internally adjustable choke of claim 1, wherein the cylindrical flow adjustment sleeve has at least one keyway at an internal diameter thereof for receiving a key of a drive tool. 7. The internally adjustable choke of claim 6, wherein the at least one keyway is a plurality of keyways, each comprising a longitudinally oriented slot recessed into the internal diameter of the sleeve. 8. The internally adjustable choke of claim 1, wherein each of the plurality of open ports through the sleeve has an oblong, capsule shaped cross-section. 9. The internally adjustable choke of claim 1, wherein at least one of the longitudinally oriented flow ports through the pair of annular rings is cross-sectionally oblong shaped. 10. The internally adjustable choke of claim 1, wherein a plurality of the longitudinally oriented flow ports through each of the pair of annular rings are cross-sectionally oblong shaped. 11. The internally adjustable choke of claim 10, wherein the plurality of cross-sectionally oblong shaped flow ports through a respective one of the pair of annular rings are arranged in a series along the respective ring. 12. The internally adjustable choke of claim 11, wherein at least one of the plurality of the longitudinally oriented flow ports through a respective one of the pair of annular rings has an arched tear-drop cross-sectional shape. 13. The internally adjustable choke of claim 12, wherein only one of the plurality of the longitudinally oriented flow ports through a respective one of the pair of annular rings has an arched tear-drop cross-sectional shape. 14. The internally adjustable choke of claim 13, wherein the arched tear-drop cross-sectionally shaped flow port has an elliptical head and a curved, tapered tail. 15. The internally adjustable choke of claim 14, wherein the elliptical head of the arched tear-drop cross-sectional shaped flow port is located adjacent to the plurality of cross-sectionally oblong shaped ports with the curved, tapered tail of the arched tear-drop cross-sectional shaped flow port extending away therefrom. 16. The internally adjustable choke of claim 15, wherein the arched tear-drop cross-sectional shaped flow port on one ring is located on an opposite end of the respective series of cross-sectionally oblong shaped flow ports relative to the arched tear-drop cross-sectional shaped flow port on the other ring. 17. The internally adjustable choke of claim 1, wherein at least one of the plurality of longitudinally oriented flow ports through a respective one of the pair of annular rings has an arched tear-drop cross-sectional shape. 18. The internally adjustable choke of claim 1, wherein each of the plurality of longitudinally oriented flow ports in a ring of the pair of rings is located within a half-circumference of that ring. 19. The internally adjustable choke of claim 1, wherein each of the plurality of longitudinally oriented flow ports in a ring or the pair of rings is located within less than a half-circumference of that ring.
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