YP Petro manufactures power end components including extension rods, crossheads, crosshead pins, cross pin baffles, upper and lower guide plates, packing boxes, seal rings, and oil seal lips. We also supply crankshaft assemblies, gear sets, and connecting rods for major mud pump models.

Yes. YP Petro accepts OEM/ODM orders based on customer drawings, technical specifications, or reverse-engineered samples. Our engineering team can confirm feasibility, recommend material upgrades, and provide quotations within 3-5 working days.

What power end parts does YP Petro manufacture?

YP Petro manufactures power end components including extension rods, crossheads, crosshead pins, cross pin baffles, upper and lower guide plates, packing boxes, seal rings, and oil seal lips. We also supply crankshaft assemblies, gear sets, and connecting rods for major mud pump models.

What other fluid end parts does YP Petro supply?

In addition to cylinder liners, YP Petro supplies a complete range of fluid end parts, including pistons, piston rubber, valve bodies, valve seats, valve rubber, liner seals, cylinder head gaskets, valve cover seals, piston rods, clamp assemblies, valve covers, cylinder heads, flange heads, cylinder flanges, cylinder covers, and inhalation capsules. We also supply dampener diaphragms, pressure gauges, fittings, relief valves, and exhaust valves.

What size range of cylinder liners does YP Petro offer?

YP Petro cylinder liners are available in metric sizes from 100mm to 180mm and imperial sizes from 3" to 7.5" (including 3", 3.5", 4", 4.5", 5", 5.5", 6", 6.25", 6.5", 6.75", 7", 7.25", 7.5"). Custom sizes are available on request.

What is the difference between bi-metal, ceramic, chrome-plated, and high-frequency quenching cylinder liners?

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Good price heavy weight drill pipe for well drilling

Good price heavy weight drill pipe for well drilling

Heavy weight drill pipe is a medium-weight drill tool similar to drill pipe, whose wall is thicker than that of drill pipe and thinner than that of drill collar. Its tube is connected with special length-added drill pipe joint (integral heavy weight drill pipe is made up of tube and tool joint). Among assemblies, it is generally added between drill pipe and drill collar to prevent sudden changes in cross-section of drill string, and reduce its fatigue. Using it to replace part of the drill collar can reduce torque, improve load, and increase drilling ability during deep well drilling; meanwhile pick-up sub and safety clamp will not be used drilling operation ,which is easy to operate and can save tripping time. It can drill in in high speed under low torque in directional wells and reduces the abrasion and fracture of string without differential pressure and sticking because of the lower steel grade than drill collar, small touching area with the well wall.

Model:
all
Brand:
Xinhuafa
Code:
84139100


SKU:
Availability:



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Product Description

Product Description

Good price heavy weight drill pipe for well drilling

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Integral heavy weight drill pipe
_Size	_{Outer diameter}	_{Inside diameter}	_{Joint outer diameter}	_{Joint inside diameter}	_{Connecting thread}	_{Slip max. diameter}	_{Upset middle diameter}	_{Min. drift diameter}
_{3 1/2}	_{3 1/2}	_{2 1/4}	_{4 3/4}	_{2 1/4}	_NC38	_{3 7/8}	₄	₂
_{3 1/2}	_{3 1/2}	_{2 1/16}	_{(4 7/8, 5)}	_{2 1/16}	_NC38	_{3 7/8}	₄	_{1 13/16}
₄	₄	_{2 1/2}	_{5 1/4}	_{2 1/2}	_NC40	_{4 3/16}	_{4 1/2}	_{2 1/4}
₄	₄	_{2 9/16}	_{5 1/4}	_{2 9/16}	_NC40	_{4 3/16}	_{4 1/2}	_{2 5/16}
_{4 1/2}	_{4 1/2}	_{2 11/16}	_{6 1/4}	_{2 11/16}	_NC46	_{4 11/16}	₅	_{2 7/16}
		_{2 3/4}		_{2 3/4}				_{2 1/2}
		_{2 13/16}		_{2 13/16}				_{2 9/16}
₅	₅	₃	_{6 5/8}	₃	_NC50	_{5 1/8}	_{5 1/2}	_{2 3/4}
_{5 1/2}	_{5 1/2}	_{3 1/4}	₇	_{3 1/4}	_{5 1/2 FH}	_{5 11/16}	₆	₃
		_{3 3/8}	_{(7 1/4, 7 1/2)}	_{3 3/8}				_{3 1/8}
		_{3 7/8}		_{3 7/8}				_{3 5/8}
		₄		₄				_{3 3/4}
_{6 5/8}	_{6 5/8}	₄	₈	₄	_{6 5/8 FH}	_{6 15/16}	_{7 1/8}	_{3 3/4}
		_{4 1/2}	_{(8 1/4, 8 1/2)}	_{4 1/2}				_{4 1/4}
		₅		₅				_{4 3/4}

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FAQ

Q YP Petro manufactures power end components including extension rods, crossheads, crosshead pins, cross pin baffles, upper and lower guide plates, packing boxes, seal rings, and oil seal lips. We also supply crankshaft assemblies, gear sets, and connecting rods for major mud pump models.

A
Yes. YP Petro accepts OEM/ODM orders based on customer drawings, technical specifications, or reverse-engineered samples. Our engineering team can confirm feasibility, recommend material upgrades, and provide quotations within 3-5 working days.
Q What power end parts does YP Petro manufacture?

A
YP Petro manufactures power end components including extension rods, crossheads, crosshead pins, cross pin baffles, upper and lower guide plates, packing boxes, seal rings, and oil seal lips. We also supply crankshaft assemblies, gear sets, and connecting rods for major mud pump models.
Q What other fluid end parts does YP Petro supply?

A
In addition to cylinder liners, YP Petro supplies a complete range of fluid end parts, including pistons, piston rubber, valve bodies, valve seats, valve rubber, liner seals, cylinder head gaskets, valve cover seals, piston rods, clamp assemblies, valve covers, cylinder heads, flange heads, cylinder flanges, cylinder covers, and inhalation capsules. We also supply dampener diaphragms, pressure gauges, fittings, relief valves, and exhaust valves.
Q What size range of cylinder liners does YP Petro offer?

A
YP Petro cylinder liners are available in metric sizes from 100mm to 180mm and imperial sizes from 3" to 7.5" (including 3", 3.5", 4", 4.5", 5", 5.5", 6", 6.25", 6.5", 6.75", 7", 7.25", 7.5"). Custom sizes are available on request.
Q What is the difference between bi-metal, ceramic, chrome-plated, and high-frequency quenching cylinder liners?

A
| Type | Inner Material | Hardness | Service Life | Best For |
| Bi-Metal | High-chromium cast iron | HRC 62 | 800h+ | General high-pressure, abrasive drilling |
| Ceramic | Al₂O₃ or Zirconia | HRC 80+ | 1500h+ | Extreme abrasion, high-sand formations |
| Chrome-Plated | Hard chrome coating | HRC 55 | 300-400h | Moderate conditions, budget operations |
| High-Frequency Quenching | Quenched alloy iron | HRC 50 | 200-300h | Light-duty, low-cost applications |