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Type: Casing Pipe

O.D.: 4-1/2 ~ 20 in (114.3 ~ 508 mm)

Weight: Standard or Heavy Wall

Length: R2, R3

Steel Grade: H40, J55, K55, L80, N80/Q, C90, T95, P110, Q125

Thread Connection: BTC, STC, LTC

Manufacturing Standard: API 5CT, API 5B

Casing pipe is a special tubular product for oil (gas or water) extraction.

Casing pipe is particularly exposed to axial tension and internal pressure by the pumped oil or gas emulsion.

Casing pipes comply with Specifications on Casing and Tubing (API Spec 5CT), Specifications on Processing, Measuring and Inspecting Casing, Tubing and Threads (API Spec 5B) and other related standards.

Processing Diagram

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Buyer’s Guide

Please send us your inquiry with detail item description or with Model number. If there is no packing demand we take it as our regular exported standard packing. We will offer you an order form for filling. We will recommend you the most suitable model according to information you offered.

We can give you really high quality products with competitive price. We have a better understanding in Chinese market, with us your money will be safe.

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Lake Petro is located in Dongying City, which is famous for Shengli Oilfield and the largest manufacturing hub of petroleum equipment in China. Following the principle of “quality first, science and technology innovated, people oriented”, every Lake Petro person is sparing no effort to provide the customers with best products and services. Our products are based on advanced production line and testing equipment, our products are designed and manufactured according to certification of API, ISO, GOST, etc.