GB/T 19831.3-2023 English PDF

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GB/T 19831.3-2023: Petroleum and natural gas industries - Casing centralizers - Part 3: Rigid and semi-rigid centralizers
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GB/T 18604   GB/T 23258   SY/T 5164   GB/T 19830   GB/T 19832   GB/T 19831.2   

Basic data

Standard ID: GB/T 19831.3-2023 (GB/T19831.3-2023)
Description (Translated English): Petroleum and natural gas industries - Casing centralizers - Part 3: Rigid and semi-rigid centralizers
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: E92
Classification of International Standard: 75.180.10
Word Count Estimation: 22,265
Date of Issue: 2023-08-06
Date of Implementation: 2024-03-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 19831.3-2023: Petroleum and natural gas industries - Casing centralizers - Part 3: Rigid and semi-rigid centralizers

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 75.180.10 CCSE92 National Standards of People's Republic of China Oil and gas industry casing centralizer Part 3.Rigid and semi-rigid centralizers Part 3.Rigidandsemi-rigidcentralizers 2024-03-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Table of contents

PrefaceⅠ Introduction II 1 Scope 1 2 Normative reference documents 1 3 Terms and Definitions 1 4 Classification and model representation method 1 5 Technical requirements 3 6 Test method 4 7 Inspection Rules 14 8 Labeling, packaging and storage15 Appendix A (informative) Rigid and semi-rigid centralizer structural diagram 17

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document is Part 3 of GB/T 19831 "Casing Centralizer for Oil and Gas Industry". GB/T 19831 has issued the following part. ---Part 1.Bow spring sleeve centralizer; ---Part 2.Centralizer placement and stop ring testing; ---Part 3.Rigid and semi-rigid centralizers. Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed and coordinated by the National Petroleum Drilling Equipment and Tools Standardization Technical Committee (SAC/TC96). This document was drafted by. Petroleum Industry Downhole Tools Quality Supervision and Inspection Center, China Petroleum Corporation Bohai Drilling Engineering Co., Ltd., Germany Zhouzhou Continental Shelf Petroleum Engineering Technology Co., Ltd., PetroChina Tarim Oilfield Branch, Dannuo (Beijing) Petroleum Technology Technical Service Co., Ltd., Hebei Shangshan Petroleum Machinery Co., Ltd. The main drafters of this document. Ming Xianggui, Yang Zhongzu, Ren Lu, Wang Hanyang, Ai Zhengqing, Yang Chuan, Jiang Haitao, Song Jianming, Liang Xiaoyang, Zhang Hulin, Sun Heping, Zhao Yingjie, Zhao Daguang, Li Liangliang, Wang Dingsheng, Jiang Yongkui, Xiao Tao, Kong Fanggang, Li Weiran, Su Qing.

Introduction

Casing centralizer is an important cementing tool to ensure the centering of casing and plays an important role in improving cementing quality. GB/T 19831 "Stone Casing Centralizer for Oil and Natural Gas Industry" is planned to consist of three parts. ---Part 1.Bow spring sleeve centralizer. The purpose is to constrain and standardize the product quality of arcuate spring sleeve centralizers. ---Part 2.Centralizer placement and stop ring testing. The purpose is to determine the installation distance of the centralizer on the casing, in order to achieve The best centralizing effect ensures that the casing is centered. ---Part 3.Rigid and semi-rigid centralizers. The purpose is to constrain and regulate the quality of rigid and semi-rigid centralizer products. This document fully considers the use environment of rigid and semi-rigid centralizers from the well entry process to the completion of cementing, and simulates each use The stress conditions in the environment fully demonstrate the reliability of the product, thereby ensuring the centering of the casing and improving the quality of cementing. Oil and gas industry casing centralizer Part 3.Rigid and semi-rigid centralizers

1 Scope

This document specifies the classification and model representation methods, technical requirements, test methods, inspection rules, Labelling, packaging and storage. This document applies to the design and inspection of rigid and semi-rigid centralizers.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 1804-2000 General tolerances Tolerances for linear and angular dimensions without tolerances noted GB/T 19830 Steel pipes for oil and gas well casing or tubing in the petroleum and natural gas industry GB/T 19831.1 Oil and gas industry casing centralizers Part 1.Bow spring casing centralizers GB/T 19831.2 Oil and gas industry cementing equipment Part 2.Centralizer placement and stop ring testing

3 Terms and definitions

The following terms and definitions as defined in GB/T 19831.1 and GB/T 19831.2 apply to this document. 3.1 semi-rigid centralizer semi-rigid centralizer The centralizing bars (ribs) are deformable within a certain range when subjected to radial load, and tend to be less susceptible to deformation as the radial load increases. 3.2 bulges It can deform under a certain load, and the structure is a hollow righting edge.

4 Classification and model representation methods

4.1 Classification 4.1.1 Classification of rigid centralizers 4.1.1.1 According to material, it is divided into. a) Steel rigid centralizer; b) Aluminum alloy rigid centralizer; c) Resin rigid centralizer. 4.1.1.2 According to the distribution direction of the centralizing bars (edges), they are divided into. a) Straight (edge) rigid centralizer; ......

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