Systems and methods for a common manifold with integrated hydraulic energy transfer systems

Patent metadata

Field	Value
Publication number	US-2016160889-A1
Application number	US-201514958383-A
Country	US
Kind code	A1
Filing date	Dec 3, 2015
Priority date	Dec 5, 2014
Publication date	Jun 9, 2016
Grant date	—

Abstract

A system includes a hydraulic fracturing system including a hydraulic energy transfer system configured to exchange pressures between a first fluid and a second fluid. The hydraulic fracturing system also includes a common manifold including one or more high pressure manifolds and one or more low pressure manifolds. The one or more high pressure manifolds and the one or more low pressure manifolds are coupled to the hydraulic energy transfer system

First claim

1 . A system, comprising:
a hydraulic fracturing system, comprising:
one or more hydraulic energy transfer systems configured to exchange pressures between a first fluid and a second fluid, wherein the first fluid comprises a proppant-free fluid, and the second fluid comprises a proppant-laden fluid; and
a manifold trailer comprising:
a high pressure inlet manifold coupled to the one or more hydraulic energy transfer systems, wherein the high pressure inlet manifold is configured to route the first fluid at high pressure to the one or more hydraulic energy transfer systems;
a low pressure outlet manifold coupled to the one or more hydraulic energy transfer systems, wherein the low pressure outlet manifold is configured to receive the first fluid at low pressure from the one or more hydraulic energy transfer systems;
a low pressure inlet manifold coupled to the one or more hydraulic energy transfer systems, wherein the high pressure inlet manifold is configured to route the second fluid at low pressure to the one or more hydraulic energy transfer systems; and
a high pressure outlet manifold coupled to the one or more hydraulic energy transfer systems, wherein the high pressure outlet manifold is configured to receive the second fluid at high pressure from the one or more hydraulic energy transfer systems.

2 . The system of claim 1 , wherein the hydraulic fracturing system comprises one or more high pressure pumps configured to receive the first fluid at low pressure, to pressurize the first fluid, and to provide the first fluid at high pressure to the high pressure inlet manifold.

3 . The system of claim 1 , wherein the hydraulic fracturing system comprises one or more low pressure pumps configured to provide the second fluid at low pressure to the low pressure inlet manifold.

4 . The system of claim 1 , wherein the high pressure outlet manifold is configured to route the second fluid at high pressure to a wellhead.

5 . The system of claim 1 , wherein the low pressure outlet manifold is configured route the first fluid at low pressure to a blender configured to blend the first fluid with proppant to produce the second fluid.

6 . The system of claim 1 , wherein the manifold trailer comprises a plurality of flow control valves.

7 . The system of claim 6 , comprising a control system comprising a processor configured to control the plurality of flow control valves.

8 . The system of claim 7 , wherein the processor is configured to control the plurality of flow control valves to balance flow rates between the one or more hydraulic energy transfer systems, to independently bring each hydraulic energy transfer system of the one or more hydraulic energy transfer systems online or offline, or both.

9 . The hydraulic fracturing system of claim 1 , wherein the one or more hydraulic energy transfer systems comprise one or more rotary isobaric pressure exchangers.

10 . A system, comprising:
a hydraulic fracturing system comprising:
a plurality of rotary isobaric pressure exchangers (IPXs), wherein each rotary isobaric pressure exchanger (IPX) of the plurality of rotary IPXs is configured to exchange pressures between a proppant-free fluid and a proppant-laden fluid;
a manifold trailer coupled to the plurality of rotary IPXs, wherein the manifold trailer comprises:
a high pressure inlet manifold configured to route the proppant-free fluid at high pressure to the plurality of rotary IPXs;
a low pressure outlet manifold configured to receive the proppant-free fluid at low pressure from the plurality of rotary IPXs;
a low pressure inlet manifold configured to route the proppant-laden fluid at low pressure to the plurality of rotary IPXs;
a high pressure outlet manifold configured to receive the proppant-laden fluid at high pressure from the plurality of rotary IPXs; and
a plurality of flow control valves disposed in piping of the manifold trailer; and

a control system comprising a processor, wherein the processor is configured to control the plurality of flow control valves to control flow of the proppant-free fluid, flow of the proppant-laden fluid, or both.

11 . The system of claim 10 , wherein the processor is configured to control the plurality of flow control valves to independently control incoming flow of the proppant-free fluid at high pressure, outgoing flow of the proppant-free fluid at low pressure, incoming flow of the proppant-laden fluid at low pressure, outgoing flow of the proppant-laden fluid at high pressure, or a combination thereof for each rotary IPX of the plurality of rotary IPXs.

12 . The system of claim 11 , wherein the processor is configured to control the plurality of flow control valves to selectively bring each rotary IPX of the plurality of rotary IPXs online or offline.

13 . The system of claim 11 , wherein the processor is configured to control the plurality of flow control valves to balance the incoming flow of the proppant-free fluid at high pressure, the outgoing flow of the proppant-free fluid at low pressure, the incoming flow of the proppant-laden fluid at low pressure, the outgoing flow of the proppant-laden fluid at high pressure, or a combination thereof for two or more rotary IPXs of the plurality of rotary IPXs.

14 . The system of claim 10 , wherein the plurality of flow control valves comprises a first plurality of flow control valves disposed in piping of the high pressure inlet manifold, each flow control valve of the first plurality of flow control valves is downstream of a high pressure pump configured to pressurize the proppant-free fluid, and the processor is configured to control the first plurality of flow control valves to control flow of the proppant-free fluid at high pressure to the plurality of rotary IPXs.

15 . The system of claim 14 , wherein the plurality of flow control valves comprises a second plurality of flow control valves disposed in piping of the low pressure inlet manifold, and the processor is configured to control the second plurality of flow control valves to control flow of the proppant-laden fluid at low pressure to the plurality of rotary IPXs.

16 . The system of claim 14 , wherein the plurality of flow control valves comprises a first flow control valve disposed in piping of the low pressure outlet manifold, the processor is configured to control the first flow control valve to control flow of the proppant-free fluid at low pressure to a blender, and the blender is configured to mix the proppant-free fluid with proppant to produce the proppant-laden fluid.

17 . A system, comprising:
a hydraulic fracturing system comprising:
a plurality of rotary isobaric pressure exchangers (IPXs), wherein each rotary isobaric pressure exchanger (IPX) of the plurality of rotary IPXs is configured to exchange pressures between a proppant-free fluid and a proppant-laden fluid;
a manifold trailer coupled to the plurality of rotary IPXs, wherein the manifold trailer comprises:
a high pressure inlet manifold configured to route an incoming high pressure flow of the proppant-free fluid to each rotary IPX of the plurality of rotary IPXs;
a low pressure outlet manifold configured to receive an outgoing low pressure flow of the proppant-free fluid from each rotary IPX of the plurality of rotary IPXs;
a low pressure inlet manifold configured to route an incoming low pressure flow of the proppant-laden fluid to each rotary IPX of the plurality of rotary IPXs;
a high pressure outlet manifold configured to receive an outgoing high pressure flow of the proppant-laden fluid from each rotary IPX of the plurality of

Assignees

• Energy Recovery Inc

Inventors

• Hoffman Adam Rothschild
• Theodossiou Alexander Patrick
• Anderson David Deloyd
• Ghasripoor Farshad
• Martin Jeremy Grant

Classifications

• F04F13/00 Primary

  Pressure exchangers · CPC title

• E21B43/267 Primary

  reinforcing fractures by propping · CPC title

• E21B43/26

  by forming crevices or fractures · CPC title

• F15B15/063 Primary

  Actuator having both linear and rotary output, i.e. dual action actuator · CPC title

• E21B43/2607

  Surface equipment specially adapted for fracturing operations · CPC title