GB/T 20656-2023Petroleum and natural gas industries - Field inspection of new casing, tubing and drill pipe (English PDF)

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 replaces GB/T 20656-2006 "On-site inspection of new casing, tubing and flat-end drill pipes in the oil and gas industry": and Compared with GB/T 20656-2006, in addition to structural adjustments and editorial changes, the main technical changes are as follows:

a) Changed the scope of application (see Chapter 1, Chapter 1 of the:2006 edition);

b) Added the term and definition of "special threaded joint" (see 3.1:29), deleted the term that is unambiguous in the industry and does not meet the standardization requirements Terminology (see 4.1 of the:2006 edition);

c) Added requirements related to data sharing (see 4.5);

d) Changed the certification requirements for non-destructive testing personnel and the qualification level requirements for test report signatories (see 7.9, 8:9 in the:2006 version);

e) Added requirements for special threaded joints in work site documents [see 8.2e)];

f) Added visual inspection requirements for exposed special threaded joints with metal-to-metal seals (see 10.13:1);

g) Added requirements for threaded joint maintenance (see 10.13:3);

h) Added provisions for the appearance inspection of the sealing surface in the appearance inspection step (see 10.13:4);

i) Added regulations on the types of defects in the sealing surface area (see 10.13:5);

j) Changed the sandblasting requirements for the end area (see 12.10:3, 13:10:3 of the:2006 edition);

k) The steel grades involved in the electromagnetic inspection of pipe bodies have been changed (see 13.3:1, 14:3:1 of the:2006 edition);

l) The groove width of the non-destructive testing standard sample has been changed from 0:5mm or less to 1:0mm or less (see 13.5:2, 17:5:2,:2006 version 14:5:2, 18:5:2);

m) Changed the steel grades involved in ultrasonic testing of oil pipes and casings (see 17.2:3, 18:2:3 of the:2006 edition);

n) Changed the steel grade for which automated equipment should be used for full-length wall thickness inspection (see 17.2:4, 18:2:4 of the:2006 edition);

o) Added requirements for ultrasonic testing of drill pipe butt welds (see 17.9);

p) The steel grade grouping is deleted and replaced with specific steel grades (see 18.5:6~18:5:9, 19:5:6~19:5:9 of the:2006 edition);

q) Added the requirement that defects in the sealing surface area of metal seal special threaded joints serve as the basis for rejection (see 18.12:1);

r) Added criteria for rejection of metal sealing surfaces and shoulder areas (see 18.12:7);

s) Changed the requirements for straightness assessment (see 18.14:1, 19:14:1 of the:2006 edition);

t) Delete the hydrostatic pressure test requirements (see Chapter 20 of the:2006 edition);

u) Added classification requirements for pipe and coupling markings (see 19.3:5);

v) Delete the marking requirement for drill pipe without joints (see 21.3:6 of the:2006 edition);

w) The drill pipe diameter gauge size has been changed (see Table B:8, Table A:8 of the:2006 edition);

x) The outer diameter of couplings of some specifications of casing (except Q125 steel grade) has been changed (see Table B:17, Table A:17 of the:2006 edition);

y) Added the requirements for the outer diameter of Q125 steel grade couplings (see Table B:18);

z) The "Tabulation of U:S: Customary Units" and related formulas and data have been deleted (see Appendix C of the:2006 version):

This document has been modified to adopt ISO 15463:2003 "On-site inspection of new casing, tubing and flat-end drill pipes in the oil and gas industry":

Compared with ISO 15463:2003, this document has many structural adjustments: Comparison list of structure number changes between the two files See Appendix A:

The technical differences between this document and ISO 15463:2003 and their reasons are as follows:

---Replaced APISpec5B with normative reference GB/T 9253 (see Chapter 4, 5:2, 6:3, 8:2, 9:2, 9:3, 10:13, 19:7:1), GB/T 19830 replaced ISO 11960:2001 (see Chapter 4, 5:2, 6:3, 8:2, 9:2, 9:3, 10:10:1, 10:12:1, 12:2, 13:3, 13:5, Chapter 17, Chapter 18, Chapter 19), GB/T 29166 replaces ISO 11961:1996 and APISpec5D:2001 (see Chapter 4, 5:2, 6:3, 8:2, 9:2, 9:3, 10:10:1, 10:12:1, 12:2, 13:3, 13:5, Chapter 17, Chapter 18, Chapter 19) to facilitate the application of this document;

--- Added normative references to GB/T 22512.2 (see Chapter 4, 5:2, 8:2, 9:2, 9:3, 10:13, 19:7:1), and added operability to facilitate the application of this document;

---Replaced APIRP5B1 with normatively quoted GB/T 18052 (see 8.2, Table B:1), and GB/T 23512 ISO 13678 and APIRP5A3 (see 8.2, 8:5:5) and SY/T 6445 replaced APIStd5T1 (see 8.2, 8:7) to facilitate Application of this document;

---Added the terms and definitions of "special threaded joints" (see 3.1:29) to satisfy users' inspection of oil well pipes using special threaded joints requirements, and deleted terms that are unambiguous in the industry and do not meet the standardization requirements (see ISO 15463:2003 4:1:2, 4:1:3, 4:1:5, 4:1:6, 4:1:8~4:1:10, 4:1:12, 4:1:14~4:1:24, 4:1:29, 4:1:30, 4:1:32, 4:1:33, 4:1:35~ 4:1:38, 4:1:42, 4:1:44~4:1:47, 4:1:51, 4:1:52, 4:1:54, 4:1:55, 4:1:57~4:1:70, 4:1:72, 4:1:73, 4:1:75, 4:1:77, 4:1:78, 4:1:80~4:1:82, 4:1:85~4:1:91, 4:1:93~4:1:95, 4:1:97~4:1:101, 4:1:103, 4:1:104, 4:1:106~4:1:108, 4:1:110, 4:1:112, 4:1:114, 4:1:115, 4:1:117, 4:1:118, 4:1:121, 4:1:123~4:1:131);

--- Added requirements related to data sharing (see 4.5) to provide data support for users to analyze and trace the performance of shared strings;

---Changed the certification requirements for non-destructive testing personnel (see 7.9), consistent with GB/T 19830 and GB/T 29166;

---Changed the qualification level requirements for signatories of non-destructive inspection reports (see 7.9:4) to meet the on-site user inspection requirements;

---Added the requirements for special threaded joints in the work site documents [see 8.2e)] to meet the needs of users using special threaded joints for oil wells Pipe inspection requirements;

---Deleted ISO 10405:2000 and APIRP5C1:1999 (see 9.5:4 of ISO 15463:2003) to adapt to the actual situation in my country Condition;

--- Added visual inspection requirements for special threaded joints with exposed metal-to-metal seals (see 10.13:1) to meet the user's special needs Inspection requirements for oil well pipes with special thread joints;

--- Added requirements for threaded joint maintenance (see 10.13:3) to meet users' needs for on-site maintenance of threaded joints;

--- Added provisions for the appearance inspection of the sealing surface in the appearance inspection step (see 10.13:4) to meet the needs of users using special threaded joint oil Well pipe inspection needs;

--- Added regulations for the types of defects in the sealing surface area (see 10.13:5) to meet the needs of users for inspection of oil well pipes using special threaded joints need;

---Changed the sandblasting requirements for the end area (see 12.10:3) to adapt to the development of technical level;

---The steel grade involved in the electromagnetic inspection of the pipe body has been changed (see 13.3:1), consistent with GB/T 19830;

---The groove width of the non-destructive testing standard sample has been changed (see 13.5:2, 17:5:2), consistent with GB/T 19830 and GB/T 29166;

---Changed the steel grade involved in ultrasonic testing of oil pipes and casing (see 17.2:3), consistent with GB/T 19830;

---Changed the steel grade for which automated equipment should be used for full-length wall thickness inspection (see 17.2:4), consistent with GB/T 19830;

---Added ultrasonic testing requirements for drill pipe butt welds (see 17.9) to meet the needs of drill pipe product inspection;

---Deleted the steel grade grouping and replaced it with specific steel grades (see 18.5:6~18:5:9), consistent with GB/T 19830;

--- Added the requirement that defects in the sealing surface area of special threaded joints for metal seals be used as a basis for rejection (see 18.12:1), which meets the requirements for special threaded joints:

demand for tattoo products;

---Added the criteria for rejection of metal sealing surfaces and shoulder areas (18:12:7) to ensure that special thread sealing performance is sufficiently reliable Reliability;

---Changed the straightness assessment requirements (see 18.14:1) to be consistent with GB/T 19830;

---Deleted the hydrostatic pressure test requirements (see Chapter 20 of ISO 15463:2003), and the test content is not operable on site;

---Added the classification requirements for pipe and coupling markings (see 19.3:5), and centralized description of the requirements to facilitate standard users to distinguish couplings Marking with tubes;

---Deleted the marking requirements for drill pipe without joints (see 21.3:6 of ISO 15463:2003) to adapt to the production of drill pipe products in my country status quo;

---Changed the drill pipe diameter gauge (see Table B:8) to be consistent with GB/T 29166;

---The outer diameter of couplings of some specifications of casing (except Q125 steel grade) has been changed (see Table B:17), consistent with GB/T 19830;

---Added Q125 steel grade coupling outer diameter requirements (see Table B:18), consistent with GB/T 19830;

---Changed the nature of the appendix (see Appendix C, Appendix B of ISO 15463:2003) to comply with the provisions of GB/T 1.1-2020;

---Deleted the "U:S: Customary Units Tabulation" and related formulas and data (see Appendix C of ISO 15463:2003), and added operable sex, in line with the current status of testing equipment in our country:

Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents:

1 Scope

This document provides items and recommended steps for on-site inspection and testing of new casing, tubing and drill pipe, and stipulates common methods for on-site inspection in oil fields:

Operating methods and technical requirements: This document also provides the qualifications of inspection personnel, various inspection methods, operating procedures and calibration standards of the instruments used:

procedures, assessment of defects and methods of marking inspected oil well pipes:

This document is suitable for on-site inspection and testing of new casing, tubing and drill pipe, and is not suitable as a basis for acceptance:

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 9253 Processing, measurement and inspection of casing, tubing and line pipe threads in the oil and gas industry GB/T 18052 Measurement and inspection methods of casing, tubing and line pipe threads GB/T 19830 Steel pipes for oil and gas well casing or tubing in the oil and gas industry (GB/T 19830-2023, ISO 11960:

2020,MOD)

GB/T 22512.2 Rotary drilling equipment for the oil and gas industry Part 2: Processing and measurement of rotary shoulder threaded connections (GB/T 22512.2-2008,ISO 10424-2:2007, MOD) GB/T 23512 Evaluation and testing of thread grease for casing, tubing, line pipe and drill string components in the oil and gas industry (GB/T 23512-2015, ISO 13678:2010, IDT) GB/T 29166 Steel drill pipe for oil and gas industry (GB/T 29166-2021, ISO 11961:2018, MOD) SY/T 6445 Terminology for common defects in petroleum pipes

3 Terms, definitions, symbols and abbreviations

3.1 Terms and definitions the following terms and definitions apply to this document:

3.1.1

A-scanA-scan

A data display method that uses a horizontal baseline to represent the propagation distance or time of sound waves, and a vertical coordinate to represent the amplitude of reflected waves:

3.1.2

An-zaampere-turn;A·T the product of the number of turns in a coil and the amperes of current flowing through the coil:

Example: 800A current passes through a 6-turn coil, which is 4800A·T:

Note: It is a unit of magnetic field strength, used to express the magnetic field strength of the coil: