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1. (WO2017132426) MODULAR CONFIGURABLE WELLSITE SURFACE EQUIPMENT
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WHAT IS CLAIMED IS:

1. An apparatus comprising:

a manifold assembly comprising:

a plurality of pressure exchangers each comprising a clean fluid inlet, a clean fluid outlet, a dirty fluid inlet, and a dirty fluid outlet;

a first clean fluid conduit comprising an inlet and a plurality of outlets;

a second clean fluid conduit comprising:

a plurality of inlets each in detachable fluid connection with the clean fluid outlet of a corresponding one of the pressure exchangers; and

an outlet;

a first dirty fluid conduit comprising:

an inlet; and

a plurality of outlets each in detachable fluid connection with the dirty fluid inlet of a corresponding one of the pressure exchangers; and

a second dirty fluid conduit comprising:

a plurality of inlets each in detachable fluid connection with the dirty fluid outlet of a corresponding one of the pressure exchangers; and

an outlet.

2. The apparatus of claim 1 wherein each pressure exchanger comprises a rotor, wherein at least one chamber extends through the rotor, and wherein each pressure exchanger is operable to: receive dirty fluid at a first pressure into the at least one chamber via the dirty fluid inlet;

receive clean fluid at a second pressure into the at least one chamber via the clean fluid inlet to pressurize the dirty fluid to a third pressure, wherein the second and third pressures are substantially greater than the first pressure;

discharge the dirty fluid at the third pressure from the at least one chamber via the dirty fluid outlet; and

discharge the clean fluid at a fourth pressure from the at least one chamber via the clean fluid outlet.

3. The apparatus of claim 1 further comprising a plurality of high -pressure pumps and a source of clean fluid, wherein:

each outlet of the first clean fluid conduit is in detachable fluid connection with a fluid inlet of a corresponding one of the high-pressure pumps; and

the inlet of the first clean fluid conduit is in detachable fluid connection with the source of clean fluid.

4. The apparatus of claim 3 wherein each clean fluid inlet of the pressure exchangers is in

detachable fluid connection with a fluid outlet of a corresponding one of the high-pressure pumps.

5. The apparatus of claim 1 further comprising a plurality of high-pressure pumps, wherein each outlet of the first clean fluid conduit is fluidly connected with the clean fluid inlet of a corresponding pressure exchanger, and wherein the first clean fluid conduit is operable to receive pressurized clean fluid from the high-pressure pumps via the inlet of the first clean fluid conduit.

6. The apparatus of claim 1 further comprising a mixer operable to produce a dirty fluid, wherein the outlet of the second clean fluid conduit is in detachable fluid connection with an inlet of the mixer.

7. The apparatus of claim 1 further comprising a mixer operable to produce a dirty fluid, wherein the inlet of the first dirty fluid conduit is in detachable fluid connection with an outlet of the mixer.

8. The apparatus of claim 7 wherein the dirty fluid comprises treatment fluid for an oil and/or gas well.

9. The apparatus of claim 1 wherein the outlet of the second dirty fluid conduit is in detachable fluid connection with a wellbore.

10. The apparatus of claim 1 wherein the manifold assembly comprises a plurality of manifold segments mounted on a mobile trailer, and wherein each of ones of the manifold segments comprises the first clean fluid conduit, the second clean fluid conduit, the first dirty fluid conduit, the second dirty fluid conduit, and at least one of the pressure exchangers.

11. The apparatus of claim 1 wherein the manifold assembly comprises a plurality of manifold segments mounted on a mobile trailer, and wherein each of ones of the manifold segments comprises:

at least one of the pressure exchangers;

a segment of the first clean fluid conduit;

a segment of the second clean fluid conduit fluidly connected with the clean fluid outlet of the at least one of the pressure exchangers;

a segment of the first dirty fluid conduit fluidly connected with the dirty fluid inlet of the at least one of the pressure exchangers; and

a segment of the second dirty fluid conduit fluidly connected with the dirty fluid outlet of the at least one of the pressure exchangers.

12. The apparatus of claim 11 wherein:

the segments of the first clean fluid conduit of the ones of the manifold segments are detachably coupled to collectively form the first clean fluid conduit;

the segments of the second clean fluid conduit of the ones of the manifold segments are

detachably coupled to collectively form the second clean fluid conduit;

the segments of the first dirty fluid conduit of the ones of the manifold segments are detachably coupled to collectively form the first dirty fluid conduit; and

the segments of the second dirty fluid conduit of the ones of the manifold segments are

detachably coupled to collectively form the second dirty fluid conduit.

13. The apparatus of claim 11 wherein at least one of the ones of the manifold segments

comprises two of the pressure exchangers.

14. The apparatus of claim 11 wherein at least one of the ones of the manifold segments comprises four of the pressure exchangers.

15. The apparatus of claim 11 wherein at least one of ones of the fluid manifold segments

comprises six of the pressure exchangers.

16. The apparatus of claim 11 wherein each of the ones of the manifold segments comprises a valve fluidly connected to one or more of the clean fluid inlet, the clean fluid outlet, the dirty fluid inlet, and the dirty fluid outlet of the at least one of the pressure exchangers.

17. An apparatus comprising:

a fluid manifold segment operable for detachably coupling with another instance of the fluid manifold segment to form a fluid manifold assembly, wherein the fluid manifold segment comprises:

a plurality of pressure exchangers each comprising a clean fluid inlet, a clean fluid outlet, a dirty fluid inlet, and a dirty fluid outlet;

a first fluid conduit comprising opposing end ports and intermediate ports;

a second fluid conduit comprising opposing end ports and intermediate ports each fluidly connected with the clean fluid outlet of a corresponding pressure exchanger; a third fluid conduit comprising opposing end ports and intermediate ports each fluidly connected with the dirty fluid inlet of a corresponding pressure exchanger; and a fourth fluid conduit comprising opposing end ports and intermediate ports each fluidly connected with the dirty fluid outlet of a corresponding pressure exchanger.

18. The apparatus of claim 17 wherein each pressure exchanger comprises a rotor, wherein at least one chamber extends through the rotor, and wherein each pressure exchanger is operable to:

receive dirty fluid at a first pressure into the at least one chamber via the dirty fluid inlet; receive clean fluid at a second pressure into the at least one chamber via the clean fluid inlet to pressurize the dirty fluid to a third pressure, wherein the second and third pressures are substantially greater than the first pressure;

discharge the dirty fluid at the third pressure from the at least one chamber via the dirty fluid outlet; and

discharge the clean fluid at a fourth pressure from the at least one chamber via the clean fluid outlet.

19. The apparatus of claim 18 wherein each fluid manifold segment comprises a plurality of electric motors each operatively connected with and operable to rotate the rotor of a corresponding one of the pressure exchangers.

20. The apparatus of claim 17 wherein:

at least one of the opposing end ports of the first fluid conduit of the fluid manifold segment is operable for detachably coupling with an end port of a first fluid conduit of the another instance of the fluid manifold segment to form a first fluid conduit assembly of the fluid manifold assembly;

at least one of the opposing end ports of the second fluid conduit of the fluid manifold segment is operable for detachably coupling with an end port of a second fluid conduit of the another instance of the fluid manifold segment to form a second fluid conduit assembly of the fluid manifold assembly;

at least one of the opposing end ports of the third fluid conduit of the fluid manifold segment is operable for detachably coupling with an end port of a third fluid conduit of the another instance of the fluid manifold segment to form a third fluid conduit assembly of the fluid manifold assembly; and

at least one of the opposing end ports of the fourth fluid conduit of the fluid manifold segment is operable for detachably coupling with an end port of a fourth fluid conduit of the another instance of the fluid manifold segment to form a fourth fluid conduit assembly of the fluid manifold assembly.

21. The apparatus of claim 20 wherein each intermediate port of the first fluid conduit is

operable to fluidly connect with a fluid inlet of a corresponding high-pressure pump, and wherein the first fluid conduit assembly is operable to receive clean fluid from a source of clean fluid via at least one of the opposing end ports.

22. The apparatus of claim 21 wherein each clean fluid inlet of the pressure exchangers is

operable to fluidly connect with a fluid outlet of a corresponding high-pressure pump.

23. The apparatus of claim 20 wherein each intermediate port of the first fluid conduit is fluidly connected with the clean fluid inlet of a corresponding pressure exchanger, and wherein the first fluid conduit assembly is operable to receive pressurized clean fluid via at least one of the opposing end ports.

24. The apparatus of claim 20 wherein an end port of the second fluid conduit assembly is operable to fluidly connect with an inlet of a mixer operable to produce a dirty fluid.

25. The apparatus of claim 20 wherein an end port of the third fluid conduit assembly is operable to fluidly connect with an outlet of a mixer operable to produce a dirty fluid.

26. The apparatus of claim 25 wherein the dirty fluid comprises treatment fluid for an oil and/or gas well.

27. The apparatus of claim 20 wherein an end port of the fourth fluid conduit assembly is

operable to fluidly connect with a wellbore.

28. The apparatus of claim 17 wherein the fluid manifold segment is mounted on a mobile trailer.

29. The apparatus of claim 17 wherein the manifold segment further comprises a plurality of valves each fluidly connected at one or more of the clean fluid inlet, the clean fluid outlet, the dirty fluid inlet, and the dirty fluid outlet of a corresponding one of the pressure exchangers.

30. A method comprising:

coupling a plurality of fluid manifold segments together to form a fluid manifold assembly, wherein each fluid manifold segment comprises:

a plurality of pressure exchangers each comprising a clean fluid inlet, a clean fluid outlet, a dirty fluid inlet, and a dirty fluid outlet;

a first fluid conduit comprising opposing end ports and intermediate ports;

a second fluid conduit comprising opposing end ports and intermediate ports each fluidly connected with the clean fluid outlet of a corresponding pressure exchanger; a third fluid conduit comprising opposing end ports and intermediate ports each fluidly connected with the dirty fluid inlet of a corresponding pressure exchanger; and a fourth fluid conduit comprising opposing end ports and intermediate ports each fluidly connected with the dirty fluid outlet of a corresponding pressure exchanger; fluidly connecting the fluid manifold assembly with clean fluid pumps;

fluidly connecting the fluid manifold assembly with a source of a dirty fluid; and

fluidly connecting the fluid manifold assembly with a wellbore at an oil and/or gas wellsite.

31. The method of claim 30 wherein coupling the fluid manifold segments together to form the fluid manifold assembly comprises:

coupling the opposing end ports of the first fluid conduits of the fluid manifold segments to form a first fluid conduit assembly of the fluid manifold assembly;

coupling the opposing end ports of the second fluid conduits of the fluid manifold segments to form a second fluid conduit assembly of the fluid manifold assembly;

coupling the opposing end ports of the third fluid conduits of the fluid manifold segments to form a third fluid conduit assembly of the fluid manifold assembly; and

coupling the opposing end ports of the fourth fluid conduits of the fluid manifold segments to form a fourth fluid conduit assembly of the fluid manifold assembly.

32. The method of claim 31 wherein fluidly connecting the fluid manifold assembly with the clean fluid pumps comprises fluidly connecting intermediate ports of the first fluid conduit assembly with inlets of corresponding clean fluid pumps.

33. The method of claim 32 further comprising fluidly connecting the clean fluid inlets of the pressure exchangers with outlets of corresponding clean fluid pumps.

34. The method of claim 31 wherein each of the intermediate ports of the first fluid conduit is fluidly connected with the clean fluid inlet of a corresponding pressure exchanger, and wherein fluidly connecting the fluid manifold assembly with the clean fluid pumps comprises fluidly connecting at least one of the opposing end ports of the first fluid conduit assembly with outlets of the clean fluid pumps.

35. The method of claim 31 wherein fluidly connecting the fluid manifold assembly with the source of the dirty fluid comprises fluidly connecting the third fluid conduit assembly with an outlet of the source of the dirty fluid.

36. The method of claim 35 further comprising fluidly connecting the second fluid conduit

assembly with an inlet of the source of the dirty fluid.

37. The method of claim 31 wherein fluidly connecting the fluid manifold assembly with the wellbore comprises fluidly connecting the fourth fluid conduit assembly with the wellbore.

38. The method of claim 30 wherein the source of the dirty fluid is or comprises a mixer

operable to produce the dirty fluid.

39. The apparatus of claim 30 wherein the dirty fluid comprises well treatment fluid.

40. The method of claim 30 wherein each pressure exchanger comprises a rotor, wherein at least one chamber extends through the rotor, and wherein the method further comprises operating each of the pressure exchangers to:

receive the dirty fluid at a first pressure into the at least one chamber via the dirty fluid inlet; receive clean fluid at a second pressure into the at least one chamber via the clean fluid inlet to pressurize the dirty fluid to a third pressure, wherein the second and third pressures are substantially greater than the first pressure;

discharge the dirty fluid at the third pressure from the at least one chamber via the dirty fluid outlet; and

discharge the clean fluid at a fourth pressure from the at least one chamber via the clean fluid outlet.

41. The method of claim 30 further comprising, before coupling the fluid manifold segments together, transporting each of the fluid manifold segments to the wellsite.