Water heating apparatus for continuous heated water flow and method for use in hydraulic fracturing
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G05D-023/13
E21B-043/26
F24H-001/12
E21B-043/267
출원번호
US-0502652
(2014-09-30)
등록번호
US-9442498
(2016-09-13)
발명자
/ 주소
Hefley, Ransom Mark
출원인 / 주소
Heat On-The-Fly L.L.C.
대리인 / 주소
Garvey, Smith, Nehrbass & North, L.L.C.
인용정보
피인용 횟수 :
0인용 특허 :
29
초록▼
A method of hydraulic fracturing of an oil producing formation includes the provision of a heating apparatus which is transportable and that has a vessel for containing water. A water stream of cool or cold water is transmitted from a source to a mixer, the cool or cold water stream being at ambient
A method of hydraulic fracturing of an oil producing formation includes the provision of a heating apparatus which is transportable and that has a vessel for containing water. A water stream of cool or cold water is transmitted from a source to a mixer, the cool or cold water stream being at ambient temperature. The mixer has an inlet that receives cool or cold water from the source and an outlet that enables a discharge of a mix of cool or cold water and the hot water. After mixing in the mixer, the water assumes a temperature that is suitable for mixing with chemicals that are used in the fracturing process, such as a temperature of about 40°-120° F.+(4.4-48.9 C+). An outlet discharges a mix of the cool and hot water to surge tanks or to mixing tanks In the mixing tanks, a proppant and an optional selected chemical or chemicals are added to the water which has been warmed. From the mixing tanks, the water with proppant and optional chemicals is injected into the well for part of the hydraulic fracturing operation.
대표청구항▼
1. A method of heating while fracturing of the formation occurs, fluid for use in fracturing a formation producing at least one of oil and gas, comprising the steps of: a) providing a heating apparatus for heating fluid to a temperature of at least about 40 degrees F. (4.4 degrees C.);b) transmittin
1. A method of heating while fracturing of the formation occurs, fluid for use in fracturing a formation producing at least one of oil and gas, comprising the steps of: a) providing a heating apparatus for heating fluid to a temperature of at least about 40 degrees F. (4.4 degrees C.);b) transmitting a stream of cool or cold fluid to a mixer, the cool or cold fluid stream being at a temperature of less than a predetermined target temperature;c) the mixer having a first inlet that receives cool or cold fluid from the stream of step “b” and a first outlet that enables discharge of a substantially continuous stream of fluid;d) the mixer having a second inlet that enables heated water to enter the mixer;e) adding heated water from the heating apparatus of step “a” to the mixer via the second inlet;f) wherein the volume of fluid of step “b” is much greater than the volume of water of step “e”;g) wherein fluid exiting the first outlet of the mixer is transmitted into a formation producing at least one of oil and gas and includes a proppant when transmitted into the formation; andh) wherein fluid flows substantially continuously from the first inlet to the first outlet during the fracturing process, wherein the water is heated in the heating apparatus before fracing chemicals are added to the water, wherein the heating apparatus has a heating capacity to add about 100 F. to 150 F. to the fluid at a flow rate of about 100 barrels per minute of fluid discharged from the first outlet, and wherein the fluid exiting the first outlet of the mixer flows at a rate of at least 20 barrels per minute into the formation. 2. The method of claim 1, wherein the volume of fluid flowing through the mixer is about equal to the volume of fluid being pumped into the formation during the fracing process. 3. The method of claim 1, wherein the fluid exiting the first outlet of the mixer flows at a rate of at least 30 barrels per minute into the formation. 4. The method of claim 1, wherein the flow rate through the mixer during the fracing process is about equal to the flow rate of the fluid being pumped downhole. 5. The method of claim 1, wherein the mixer is a mixing tank. 6. The method of claim 1, wherein the mixer has a bore, and the mixer includes a lip that extends into the mixer bore to partially block flow and to create additional turbulence in the mixer bore. 7. The method of claim 1, wherein the mixer has a bore, and the second inlet of the mixer has a wall portion that extends into the mixer bore. 8. A method of heating while fracturing of the formation occurs, fluid for use in fracturing a formation producing at least one of oil and gas, comprising the steps of a) providing as heating apparatus for heating fluid to a temperature of at least about 40 degrees F. (4.4 degrees C.);b) receiving a stream of cool or cold fluid at a mixer, the cool or cold fluid stream being at a temperature of less than a predetermined target temperature;c) the mixer having a first inlet that receives cool or cold fluid from the stream of step “b” and a first outlet that enables discharge of a substantially continuous stream of fluid;d) the mixer having a second net that enables heated water to enter the mixer;e) adding heated water from the heating apparatus of step “a” to the mixer via the second inlet;f) wherein the volume of fluid discharged from the first outlet is greater than the volume of heated water of step “e”;g) wherein the fluid discharged from the mixer after step “f′ is transmitted into a formation producing at least one of oil and gas and transports a proppant into the formation,wherein fluid flows substantially continuously from the first net to the first outlet during the fracturing process,wherein the water is heated in the heating apparatus before fracing chemicals are added to the water, wherein the heating apparatus has a heating capacity to add about 10° F. to 150° F. to the fluid at a flow rate of about 100 barrels per minute of fluid discharged from the first outlet, andwherein the fluid exiting the first outlet of the mixer flows at a rate of at least 20 barrels per minute to provide a substantially continuous flow of fluid and proppant into the formation during the fracturing process. 9. The method of claim 8, wherein the fluid exiting the first outlet of the mixer flows at a rate of at least 30 barrels per minute into the formation. 10. The method of claim 8, wherein the volume of fluid flowing through the mixer during the fracing process is about the same as the volume of fluid being pumped downhole. 11. The method of claim 8, wherein the flow rate through the mixer during the fracing process is about the same as the flow rate of the fluid being pumped downhole. 12. The method of claim 8, wherein the mixer is a mixing tank. 13. The method of claim 8, wherein the heating apparatus comprises at least two heating trucks. 14. The method of claim 8, wherein the mixer has a bore, and the mixer includes a lip that extends into the mixer bore to partially block flow and to create additional turbulence in the mixer bore. 15. The method of claim 8, wherein the mixer has a bore, and the second inlet of the mixer has a wall portion that extends into the mixer bore. 16. The method of claim 8, wherein the fluid is water and the volume of water flowing through the mixer is about the same as the volume of water being pumped into the formation during the fracturing process. 17. The method of claim 8, wherein the flow rate of fluid into the first inlet of the mixer during the fracturing process is about the same as the flow rate of the fluid being pumped to a mixing tank where proppant is added and which is then pumped downhole during the fracturing process. 18. The method of claim 8, wherein the mixer has a bore having a longitudinal axis, and the second inlet of the mixer has a longitudinal axis that is at an angle of between 0 and 90 degrees to the longitudinal axis of the bore of the mixer and wherein substantial mixing of the heated fluid and the cool or cold fluid occurs in the mixer. 19. A method of heating while fracturing of the formation occurs, fluid for use in fracturing a formation producing at east one of oil and gas, the method of heating comprising the steps of: providing a heating apparatus for heating water to a temperature of at least about 40 degrees F. ( 4.4 degrees C.);providing a stream of heated water from the heating apparatus to mix with a stream of cool or cold fluid, the cool or cold fluid stream being at a temperature of less than a predetermined target temperature prior to the mixing, to provide substantially continuously during the [racing process a substantially continuous stream of fluid at or above the target temperature;wherein the volume of the substantially continuous stream of fluid at or above the target temperature is greater than the volume of the stream of the heated water;wherein the flow rate of the substantially continuous stream of fluid at or above the target temperature during the fracing process is about equal to the flow rate of fluid being pumped downhole during the fracing process,wherein the water is heated in the heating apparatus before fracing chemicals are added to the water,wherein the heating apparatus has a heating capacity to add about 10° F. to 150° F. to the fluid at a flow rate of about 100 barrels per minute of fluid discharged from the first outlet,and wherein the flow rate of the substantially continuous stream of fluid at or above the target temperature during the fracing process is at least 20 barrels per minute. 20. The method of claim 19, wherein the flow rate of the substantially continuous stream of fluid at or above the target temperature during the fracing process is at least 30 barrels per minute. 21. The method of claim 19, wherein the volume of the substantially continuous stream of fluid at or above the target temperature during the fracing process is about the same as the volume of fluid being pumped downhole. 22. The method of claim 19, wherein the substantially continuous stream of fluid at or above the target temperature during the fracing process is mixed in a mixing tank. 23. The method of claim 22, wherein the mixing tank receives the stream of heated water and the stream of cool or cold fluid, and the stream of fluid at or above the target temperature flows out of the mixing tank. 24. The method of claim 23, wherein the mixing tank receives the stream of cool or cold fluid from a first inlet, and the stream of fluid at or above the target temperature flows out of the mixing tank through a first outlet. 25. The method of claim 19, wherein the substantially continuous stream of fluid at or above the target temperature during the fracing process is mixed in a mixer having a bore, and the mixer includes a lip that extends into the mixer bore to partially block flow and to create additional turbulence in the mixer bore. 26. The method of claim 25, wherein the mixing tank receives the stream of heated water and the stream of cool or cold fluid, and the stream of fluid at or above the target temperature flows out of the mixing tank. 27. The method of claim 26, wherein the mixer receives the stream of cool or cold fluid from a first inlet, the mixer receives the stream of heated water from a second inlet, and the stream of fluid at or above the target temperature flows out of the mixer through a first outlet. 28. The method of claim 19, wherein the substantially continuous stream of fluid at or above the target temperature during the fracing process is mixed in a mixer having a bore, and the second inlet of the mixer has a wall portion that extends into the mixer bore. 29. The method of claim 19, wherein the mixer receives the stream of cool or cold fluid from a first inlet, the mixer receives the stream of heated water from a second inlet, and the stream of fluid at or above the target temperature flows out of the mixer through a first outlet. 30. The method of claim 19, wherein the fluid comprises water.
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