JJF 1108-2003_English: PDF (JJF1108-2003)
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Calibration Specification for Working Gauge of Rotary Shouldered Connections, Round Thread Casing and Tubing
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JJF 1108-2003
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Calibration Specification for OCTG Thread Working Gauges
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JJF 1108-2012
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Newer version: JJF 1108-2012 Standards related to: JJF 1108-2012
| Standard ID | JJF 1108-2003 (JJF1108-2003) | | Description (Translated English) | Calibration Specification for Working Gauge of Rotary Shouldered Connections, Round Thread Casing and Tubing | | Sector / Industry | Metrology & Measurement Industry Standard | | Classification of Chinese Standard | A52 | | Word Count Estimation | 39,341 | | Date of Issue | 2003-09-23 | | Date of Implementation | 2003-12-23 | | Drafting Organization | China Institute of Metrology | | Administrative Organization | National Geometric Length Measurement Technology Committee | | Regulation (derived from) | State Administration of Quality Supervision, Inspection and Quarantine Notice 2003 No. 106 | | Issuing agency(ies) | State Administration of Quality Supervision, Inspection and Quarantine | JJF 1108-2003
Calibration Specification for Working Gauge of Rotary Shouldered Connections, Round Thread Casing and Tubing
National Metrology Technical Specification of the People's Republic
Oil drill joint thread work gauge, round thread
Casing working gauge and tubing thread
Work gauge calibration specification
Connections, RoundThreadCasingandTubing
Released on.2003-09-23
Implementation of.2003-12-23
The General Administration of Quality Supervision, Inspection and Quarantine issued
Oil drilling tool joint thread work gauge,
Round threaded sleeve working gauge and tubing
Thread working gauge calibration specification
This specification was approved by the General Administration of Quality Supervision, Inspection and Quarantine on September 23,.2003, and
Implemented on December 23,.2003.
Focal Point. National Geometric Length Measurement Technical Committee
Main drafting unit. China Institute of Metrology
Participated in the drafting unit. China Petroleum and Natural Gas Group Petroleum Pipe Research Institute
Shanghai Baoshan Iron and Steel Group Co., Ltd. Steel Pipe Plant
Baoji Petroleum Machinery Factory
Tianjin Steel Pipe Company
This specification entrusts the focal point to be responsible for interpretation
The main drafters of this specification.
Xue Wei (China Institute of Metrology)
Wang Zhengqiang (China Institute of Metrology)
Participate in the drafters.
Wei Zunyi (China Petroleum and Natural Gas Group Petroleum Pipe Research Institute)
Zhu Fulin (Shanghai Baoshan Iron and Steel Group Co., Ltd.)
Duan Xufeng (China National Petroleum Corporation Baoji Petroleum Machinery Factory)
Qi Guifen (China National Petroleum Corporation Baoji Petroleum Machinery Factory)
Li Shichen (Tianjin Steel Pipe Company)
table of Contents
1 range (1)
2 Citations (1)
3 Overview (1)
4 Measurement characteristics (1)
4.1 Surface roughness (1)
4.2 Drilling tool joint thread working gauge measurement characteristics (1)
4.3 Threaded Casing Working Gauge and Tubing Thread Work Gauge Measurement Characteristics (1)
4.4 Structural size requirements (3)
4.5 Appearance requirements (3)
5 Calibration conditions (3)
5.1 Calibration Equipment (3)
5.2 Calibration Environment (3)
6 Calibration items and calibration methods (4)
6.1 Calibration Items for Drill Joint Thread Work Gauge (4)
6.2 Calibration items for circular threaded sleeve working gauge and tubing thread working gauge (4)
6.3 Visual inspection (6)
6.4 Calibration of surface roughness (6)
6.5 Measurement of gauges (6)
6.6 Pitch data processing (8)
6.7 Data processing of cone taper deviation of medium diameter cone (9)
6.8 Data processing of the deviation of the base diameter of the thread plug gauge (12)
6.9 Calibration of thread flank angle (14)
6.10 Calibration of the large diameter of the threaded plug gauge of the drill joint (14)
6.11 Calibration of the base diameter of the threaded joint of the tool joint (15)
6.12 Thread length calibration (16)
6.13 Cutoff Height Calibration (16)
6.14 Calibration of tight distance (16)
6.15 Drill Connector Thread Gauge Other Calibration Items (19)
7 Calibration result expression (19)
8 re-study interval (19)
Appendix A Oil Drill Joint Thread Work Gauge Structure and Shape (20)
Appendix B Petroleum round threaded casing, tubing thread working gauge structure and tooth shape (24)
Appendix C Recommended values for tightening torque of round threaded bushings and tubing thread gauges (27)
Appendix D Best Ball Diameter Selection and Rod Calibration (28)
Appendix E Pitch Data Processing Example (30)
Appendix F Handling of close tolerances (31)
Appendix G Calibration Certificate Contents (32)
Appendix H Drill Pipe Thread Gauge and Round Thread Casing Gauge, Tubing Thread Gauge
Closed distance transfer diagram (33)
Oil drilling tool joint thread work gauge,
Circular threaded sleeve working gauge and tubing thread working gauge calibration specification
1 Scope
This calibration specification applies to oil drilling tool joint thread gauges, rounds designed, manufactured and used according to API specifications.
Calibration of threaded sleeve work gauges and tubing thread work gauges.
2 Citations
The provisions contained in the following documents constitute provisions of this specification by reference in this specification. Publication of this specification
The version shown is valid. All standards, specifications or procedures will be revised, and parties using this standard should
The possibility to use the latest version of the standard below.
APISPEC72002 40th Edition "Rotary Drilling String Components Specification" SpecificationforRotaryDrilStem
Elements
APISTD5B.1996 14th edition "Processing, Measurement and Inspection of Casing, Tubing and Pipeline Threads" Speci-
ficationforThreading,Gauging,andThreadInspectionofCasing,Tubing,andLinePipeThreads
(USCustomaryUnits)
GB/T 4749-1993 "oil drilling tool joint thread gauge"
GB/T 9253.2-1999 "Processing, Measurement and Inspection of Casing, Tubing and Pipeline Threads in the Oil and Gas Industry"
3 Overview
According to the tight distance transfer relationship, the proofreading gauge is used to determine the tightness of the work gauge, and the work gauge is directly
Used to check product threads. Work gauges include threaded plug gauges and threaded ring gauges. Plug gauge inspection product internal thread, ring inspection
Check the external thread of the product.
According to the type of thread of the tool joint, the thread gauge of the oil drilling tool joint can be divided into digital type (NC), regular type.
(REG), through eye type (FH) and inner flat type (IF). According to the direction of rotation, it can be right-handed or left-handed.
The round threaded casing gauge is marked CSG.
The tubing thread gauge is divided into a non-thickening tubing thread gauge and an outer thickening thread gauge, which are marked with TBG and
UPTBG.
4 Measurement characteristics
4.1 Surface roughness
The surface roughness Ra of the working gauge thread side and the measuring surface shall not exceed 0.32 μm.
4.2 Drilling tool joint thread work gauge measurement characteristics
See Table 1.
4.3 Threaded Casing Working Gauge and Tubing Thread Work Gauge Measurement Characteristics
See Table 2.
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