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Cementing Plug
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Centralizer

Various centralizers
Cement Baskets
Stop Collar

Casing&Tubing Couplings

Caisng and Tubing
OCTG - Coupling for Casing and Tubing
Pup Joint
Torque Ring

Pumping Units

API B Series Beam-balanced Pumping Unit
API C Series Conventional Beam-pumping Unit
CYJ Serie Pumping Unit

Sucker Rods

Sucker Rod
Sucker Rod Centralizer
Class T Full Size and Slim hole Coupling

ESP Cable Protector

Stamped ESP Cable Protector
Casting ESP Cable Protector
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Puyang Zhongshi Group Co., Ltd, restructured from Zhongyuan Oilfield of SINOPEC in 1997, has more than 20 years manufacturing experience of petroleum machinery products.

Cement Basket

Cement Basket is typically run above weak formations or lost circulation zones that require protection from the pressure exerted by the cement column.

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Roller Centralizer

Roller centralizers are mainly used for high deviated wells and horizontal wells. The rollers are installed in the blades of the roller solid body centralizers.

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Float Equipment with Plunger Valves

During cementing operations, float equipment is essential for preventing back-flow while also serving as a landing point for wiping and displacement plugs.

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Composite Centralizer

Composite centralizer is a kind of solid rigid centralizer made from nylon, polymer, polyurethane, or other advanced composite materials.

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Non-rotating Cementing Plug

Cementing plugs are used during cementing operations for wiping the casing ID clean of drilling fluids and providing separation between mud, spacers, and cement.

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Welded Bow Spring Centralizer Slip-On

Welded Bow Spring Centralizer Slip-On is suited for close tolerance well applications. The centralizer is manufactured to API RP 10D specification ensuring this centralizer consistently provides superior performance at the well site.

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Conventional Cementing Plug

Cementing plugs are used during cementing operations for wiping the casing ID clean of drilling fluids and providing separation between mud, spacers, and cement.

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Hollow Vane Solid Body Centralizer

There are two kinds of hollow vane solid body centralizers. One has hollow vanes (blades) that are welded to a steel pipe, and the other is stamped from single piece plate.

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Stab-In Float Equipment

Inner string float equipment allows for large casing strings to be cemented through the drill pipe or tubing when stung into the float shoe or collar.

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Non-Weld Positive Centralizer

Non-Weld Positive Centralizer – Hinged is designed for use in deviated and horizontal applications and cased hole and liner overhangs.

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One Piece Centralizer

There are mainly two kinds of one piece centralizers (single piece centralizers). One is made of one single steel plate, which has a welding line on the centralizer (conventional one piece centralizer), and the other is made of a pipe cut with the laser, which has no any welding line (seamless one piece centralizer).

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Reamer Shoe

The Reamer Shoe is designed for problematic well conditions (such as bridging, swelling or ledges) where reciprocation and/or rotation of the casing is required to ream the hole and land the casing or liner to total depth.

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1

Puyang Zhongshi Group Co., Ltd, restructured from Zhongyuan Oilfield of SINOPEC in 1997, has more than 20 years manufacturing experience of petroleum machinery products.