Perforation gun string energy propagation management system and methods
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
E21B-043/116
E21B-043/117
출원번호
US-0004678
(2012-09-19)
등록번호
US-9598940
(2017-03-21)
국제출원번호
PCT/US2012/056165
(2012-09-19)
국제공개번호
WO2014/046656
(2014-03-27)
발명자
/ 주소
Rodgers, John P.
Serra, Marco
Glenn, Timothy S.
Burleson, John D.
출원인 / 주소
Halliburton Energy Services, Inc.
대리인 / 주소
Chamberlain Hrdlicka
인용정보
피인용 횟수 :
0인용 특허 :
139
초록▼
A perforation tool assembly. The perforation tool assembly comprises a tool string connector, a perforation gun coupled to the tool string connector, and a structure configured to absorb mechanical energy released by firing one or more perforation guns. The coupling is configured to provide a limite
A perforation tool assembly. The perforation tool assembly comprises a tool string connector, a perforation gun coupled to the tool string connector, and a structure configured to absorb mechanical energy released by firing one or more perforation guns. The coupling is configured to provide a limited range of motion of the tool string connector relative to the perforation gun. The tool string connector and the perforation gun retain the structure configured to absorb mechanical energy.
대표청구항▼
1. A perforation tool assembly, comprising a tool string connector comprising a collet and a sleeve;a perforation gun coupled to the tool string connector by the collet and the sleeve forming a coupling; andan energy absorber configured to absorb mechanical energy released by firing one or more perf
1. A perforation tool assembly, comprising a tool string connector comprising a collet and a sleeve;a perforation gun coupled to the tool string connector by the collet and the sleeve forming a coupling; andan energy absorber configured to absorb mechanical energy released by firing one or more perforation guns,wherein the coupling between the perforation gun and the tool string connector is configured to provide a limited range of motion of the tool string connector relative to the perforation gun, andwherein the tool string connector and the perforation gun retain the energy absorber configured to absorb mechanical energy. 2. The perforation tool assembly of claim 1, wherein the coupling comprises the collet propped by the sleeve and the collet engaged with a groove located on the perforation gun. 3. The perforation tool assembly of claim 1, wherein the energy absorber configured to absorb mechanical energy comprises a washer formed of a ductile metal, and wherein one face of the washer is at least one of crenelated, grooved, slotted, knurled, or saw-toothed. 4. The perforation tool assembly of claim 1, wherein the energy absorber configured to absorb mechanical energy comprises at least one of crushable tube material, crushable honeycomb material, or frangible material. 5. The perforation tool assembly of claim 1, wherein the energy absorber configured to absorb mechanical energy comprises a non-restorative material. 6. The perforation tool assembly of claim 1, further comprising a spring, wherein the coupling further encloses the spring. 7. The perforation tool assembly of claim 6, wherein the spring is a non-linear spring. 8. The perforation tool assembly of claim 6, wherein the spring comprises at least one of a wave-type spring or a Belleville-type spring. 9. A perforation tool assembly, comprising: a tool string connector having a latch component comprising a collet and a sleeve;a perforation gun having a latch mate that is configured to engage the latch component to couple the perforation gun to the tool string connector by the collet and the sleeve; anda mechanical energy absorber configured to absorb mechanical energy released by firing one or more perforation guns,wherein the tool string connector and the perforating gun are configured to provide a limited range of motion of the tool string connector relative to the perforation gun when the mechanical energy absorber is not located between the tool string connector and the perforation gun, andwherein the mechanical energy absorber is retained by the tool string connector and the perforation gun. 10. The perforation tool assembly of claim 9, wherein the range of motion of the tool string connector relative to the perforation gun is limited substantially to axial relative motion. 11. The perforation tool assembly of claim 10, wherein the range of motion of the tool string connector relative to the perforation gun is limited to less than 2 inches, and wherein the coilet is configured to engage groove located on the perforation gun. 12. The perforation tool assembly of claim 9, wherein the mechanical energy absorber comprises a washer that has one face that is at least one of crenelated, grooved, slotted, knurled, or saw-toothed. 13. The perforation tool assembly of claim 9, wherein the mechanical energy absorber is configured to absorb energy from a first perforation gun firing at a first time and a second perforation gun firing at a second time, and wherein the first time and the second time are separated by a period of time in a range from about 2 seconds to about 30 seconds. 14. A method of perforating a casing string in a wellbore, comprising: placing a perforation gun in a wellbore;placing a mechanical energy propagation management device between the perforation gun and a tool string connector comprising a collet and a sleeve; andcoupling the perforation gun to the tool string connector by releasing and sliding the sleeve to prop the collet and to engage the collet with perforation gun,wherein the perforation gun and the tool string connector are configured to move relative to each other within a limited range of motion. 15. The method of claim 14, wherein the perforation gun and the tool string connector are configured to move relative to each other within a limited range of axial motion when the mechanical energy propagation management device is not placed between the perforation gun and the tool string connector. 16. The method of claim 14, further comprising: modeling the wellbore;modeling a perforation gun string, wherein the perforation gun string comprises the perforation gun, the tool string connector, and the mechanical energy propagation management device; anddesigning the mechanical energy propagation management device based on modeling the wellbore and modeling the perforation gun string, wherein the mechanical energy propagation management device is designed before placing the mechanical energy propagation management device between the perforation gun and the tool string connector. 17. The method of claim 16, further comprising selecting the mechanical energy propagation management device from among a plurality of interchangeable mechanical energy propagation management devices based on designing the mechanical energy propagation management device, wherein each of the plurality of interchangeable mechanical energy propagation management devices has a different design parameter. 18. The method of claim 14, wherein the collet engages with a groove located on the perforation gun. 19. The method of claim 14, wherein the perforation gun is part of a perforation gun string and further comprising absorbing at least some of a gun shock energy released by firing at least one perforation gun of the perforation gun string. 20. The method of claim 14, wherein the perforation gun is part of a perforation gun string and further comprising shifting the frequency of at least some of a gun shock energy released by firing at least one perforation gun of the perforation gun string.
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