1、Technical Report on SR22, Supplementary Requirements for Enhanced Leak Resistance LTC API REPORT 5TRSR22 FIRST EDITION, JUNE 2002 American Petroleum Institute Helping You Get The Job Done Right.“ Technical Report on SR22, Supplementary Requirements for Enhanced Leak Resistance LTC Upstream Segment A
2、PI REPORT 5TRSR22 FIRST EDITION, JUNE 2002 American Petroleum Institute Helping You Get The Job Done Right.“ SPECIAL NOTES API publications necessarily address problems of a general nature. With respect to partic- ular circumstances, local, state, and federal laws and regulations should be reviewed.
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13、pying, recording, or otherwise, without prior written permission from the publisher: Contact the Publishel; API Publishing Services, 1220 L Street, N. IT, Washington, D. C. 20005. Copyright O 2002 American Petroleum Institute FOREWORD API 5TRSR22 is under the jursidiction of the API Subcommittee on
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16、rican Petroleum Institute, 1220 L Street, N.W., Washington, D.C. 20005. . 111 CONTENTS Page 1 sR22 SCOPE . 1 ENHANCED LEAK RESISTANCE LTC . 3 SR22.2 Marking . 3 SR22.3 Optional Tapered Bore along the inside diameter Requirements for Casing with Special Drift Requirements . 3 SR22.4 Coupling Makeup .
17、 3 APPENDIX E SUPPLEMENTARY REQUIREMENTS (NORMATIVE) . 11 SR22 ENHANCED LEAK RESISTANCE LTC CONNECTION 11 SR22.2 Threadcontrol . 11 SR22.3 Coupling Thread Coatings . 11 SECTION 10 10.0 10.1 10.2 10.3 SR-22 PITCH DIAMETER GAUGING METHOD API RP 5B 1 17 Techniques for SR-22 gage verifcation . 17 Method
18、 for Determining the Pitch Diameter of a Threaded Member . . 17 The Internal and External Taper gage setting standard . 18 Thread Pitch Diameter gages and their associated setting standards . 18 APPENDIX B (RP 5C1-SR22) SUPPLEMENTARY REQUIREMENT FOR ENHANCED LEAK RESISTANCE LTC CONNECTION . 21 SR22.
19、2 Preparation and Inspection Before Running (Refer to 4.1) 21 SR22.3 STABBING. MAKING UP AND LOWERING (REFER TO 4.3) . 21 SR22.5 Causes of SR22 Casing Troubles (REFER TO 4.8.) . 22 SR22.1 Scope 21 SR22.4 Field Makeup (Refer to 4.4) 22 Figures SR22-1 Field End Paint Mark and Triangle Stamp (Stamp on
20、Mill and Field End) . . 4 SR22-2 Optional Tapered Bore along the Inside Diameter Specifications . 5 El-SR22 Basic Dimensions Power Tight Makeup 12 E2-SR22 Thread Form 13 Tables SR22- 1 6-9 El-SR22 Enhanced Leak Resistance LTC Thread Dimensions 14 E2 Dimensional Tolerances on SR22 Casing 8-Round Thre
21、ad Dimensions . 15 V Technical Report on SR22, Supplementary Requirements for Enhanced Leak Resistance LTC 1 Scope This document covers the supplemental requirements for Enhanced Leak Resistance LTC (SC22) connections and the changes in API Spec 5CT, API Std 5B, API 5B1 and API RP 5C1 needed to prod
22、uce and inspect these connections. By agreement between the purchaser and manufacturer, the sup- plemental requirements for SR22 shall apply to connections manufactured in acccordance with API Spec 5CT and may be marked with the API monogram. 1 Revisions Required in API Spec 5CT to Include the Suppl
23、ementary Requirements for SR22, Enhanced Leak Resistance LTC Connections Add the following as the last line in 5.1.3. Enhanced Leak Resistance LTC connections SR22 of Annex A Add the following new line to 8.12.2, end offinish list. Enhanced Leak Resistance LTC connections Add the following belowfina
24、l line in Table C. 67 and Table E. 67, Row 1 O. SR22 S22 P D P D Add the following Supplementary Requirement to Annex A By agreement between the purchaser and manufacturer, the supplemental requirements for Enhanced Leak Resistance LTC in SR22 shall apply. It should be noted that the SR22 product is
25、 fully interchangeable with standard API 5B LTC connections. However, the SR22 design criteria concerning leak resistance shall not apply for such mixed product. The application of API connections or pipe in elevated tempera- ture or sour service conditions is beyond the scope of this document. CAUT
26、ION; Liquid metal embrittlement may result when thread compound containing lead is used with tin plated cou- plings at elevated temperatures for some material. Use of standard API thread compound in applications involving tem- peratures in excess of 275F is cautioned. SR22 Enhanced Leak Resistance L
27、TC SR22.1 Casing and couplings shall be furnished with Enhanced Leak Resistance LTC connections in accordance with the requirements specified in Std 5B Appendix E SR22 for dimensions, inspection and coupling thread coatings. In addition, the casing shall comply with all of the requirements specified
28、 herein. SR22.2 MARKING SR22.2.a Die stamp marking the end of the pipe. A /4-in. high equilateral triangle die stamp shall be placed at a distance of from each end of each pipe using methods 3,4, or 5 of 1 1.2.1. See Figure SR22- 1. SR22.2.b Paint marking the end of the pipe. High vis- ibility green
29、 paint marks shall be applied on the field end of each pipe. See Figure SR22-1 and Std 5B Appendix E Table El. 3 SR22.2.c Die stamp marking the coup1ings.M COU- plings shall be marked “S22” using methods 3 or 5 of 11.2.1. SR22.2.d Color banding the couplings. Couplings shall be painted the colors in
30、dicative of the steel grade from which the couplings are manufactured, and shall also be painted with a high visibility green band around the outside surface near one end of the coupling. SR22.3 OPTIONAL TAPERED BORE ALONG THE INSIDE DIAMETER REQUIREMENTS FOR CASING WITH SPECIAL DRIFT REQUIREMENTS S
31、R22.3.1 For casing ordered with a larger than standard diameter drift mandrel, see 7.9, the manufacturer may drift or bore along the inside diameter of the ends of the pipe. This option requires each end either to be drifted with a special end drift in accordance with SR22.3.l.a, or be finished with
32、 an tapered bore along the inside diameter in accordance with SR22.3.1.b prior to coupling makeup. SR22.3.1 .a If the pipe ends are drifted, a special end drift with a minimum diameter in accordance with “special end drift diameter” column of Option 1 in Figure SR22-2 shall be used. The drift shall
33、be inserted a distance equal to or greater than b. Pipe ends that are too small to accept the special end drift should be bored along the inside diameter in accordance with SR22.3.1.b. SR22.3.1.b If bored, both ends of the pipe shall be bored along the inside diameter with a taper between 2” to 15”.
34、 CIO , the maximum diameter of the machined surface at the end of the pipe, and the angle of the tapered bore shall be in accor- dance with Option 2 in Figure SR22-2. The tapered bore machined surface need not run continuously around the inside circumference. The bore is to run smoothly to the pipe
35、inside diameter. If bored, the inside diameter of every pin end shall meet the requirements of Option 2 “Q,. SR22.4 COUPLING MAKEUP SR22.4.1 API RP 5A3 thread compound shall be applied in one of the three following methods: 1) to the pin thread only, 2) to the coupling thread only, or 3) to the pin
36、in approximately a one in. band at the large end of the thread and to the entire coupling thread (see API RP 5C1, SR22 Fig- ures SR22-1 and SR22-2). In all cases, the full thread form outline shall be clearly discernable after applying thread com- pound evenly over the surface. 4 API TECHNICAL REPOR
37、T 5TRSR22 l 4.0“ MINIMUM TRIANGLE STAMP I% PAINT LOCATION INDICATOR 1.5“ M INIMUM I L, +o“, -1116 I NOTES: 1. PAINT MARKS SHALL BE HIGH VISIBILITY GREEN COLOR. 2. THE PAINT MARKS MAY BE PLACED ON THE PIPE BY ANY METHOD, STENCIL, SPRAY, AS LONG AS THE PAINT MARK PRECISION IS MAINTAINED. 3.W TRIANGLE
38、STAMP Figure SR22-1-Field End Paint Mark and Triangle Stamp (Stamp on Mill and Field End) Note: It should be recognized by the user that compliance with API Rp 5A3 does not in and of itself ensure adequate thread compound system performance in field service. The user has the responsibility of evalua
39、ting the results obtained from the recommended procedures and test protocols and determining if the thread compound system in question meets the anticipated requirements of that particular field service application. SR22.4.2 The SR22 specifcation requires makeup based on power turns and position, no
40、t torque. Torque is not a basis for acceptance or rejection, but is an indicator of process con- trol. Makeup shall be rejected when the coupling does not make the position criteria with minimum power-turns. SR22.4.3 Power make-up speed shall not exceed 10 RPM SR22.4.4 Makeup Acceptance Criteria Opt
41、ions are allowed for SR22 connection makeup. Makeup shall be rejected when the coupling does not make the position criteria with minimum power-turns. Any connec- tion in which the face of the coupling advances beyond the apex of the triangle shall be rejected. Control of the coupling makeup shall be
42、 by one of the following methods: SR22.4.4.a By Power Turns. The number of power turns shall equal or exceed the minimum number of power turns specified in Table SR22-1. Counting power turns should start at a reference start torque specified in Table SR22-1. Ensure proper alignment in makeup equipme
43、nt and iden and min- imize abnormal sources of torque oscillation. SR22.4.4.b By Position. Makeup the face of the coupling within the triangle mark. Verify that the number of power turns is equal to or exceeds the number of power turns speci- fied in Table SR22- 1 during operations. SR22.4.5 If a co
44、nnection is broken-out, subsequent makeup shall be per SR22.4.4.1. SUPPLEMENTARY REQUIREMENTS FOR ENHANCED LEAK RESISTANCE LTC 5 7“ - 23.00 7“ - 32.00 8-5/$ - 32.00 8-5/8“ - 40.00 9-5/8“ - 40.00 9-5/8“ - 47.00 9-5/8“ - 53.00 OPTION 1 OPTION 2 6.326 6.366 6.070 6.094 7.951 7.921 7.701 7.725 8.826 8.8
45、35 8.701 8.681 8.576 8.535 d SPECIL END DRIFT DCA 7“-32.00 3-5/8“ - 32.00 6.000 6.094 4.000 6.200 2-15“ 7.875 7.921 4.500 8.050 2-15“ SPECIAL INSIDE CHAMFER CHAMFER CHAMFER DCA 7“-23.00 6.250 6.366 4.000 6.400 2-15“ 3-5/8“-40.00 3-5/8“ - 47.00 8.750 8.835 4.750 8.95 2-15“ 8.625 8.681 4.750 8.800 2-1
46、5“ I 3-5/8“ -40.00 I 7.625 I 7.725 I 4.500 I 7.800 I 2-15“ I I I I I I I I Figure SR22-2: Optional Tapered Bore along the Inside Diameter Specifications 6 API TECHNICAL REPORT 5TRSR22 Outside Grade Diameter D In. Table SR22-1 Length; end of pipe to Apex of Traingle L9 (in.) Coupling Minimum Drift Ou
47、t. Dia. Power In. Regular Turns W (in.) N Approx. Start Torque Tin Torque ft-lbs. Recommended Weight of API BUL 5A3 ref. Zompound (5A2) Weight Approx. Phosphate Torque ft-lbs. 1/2- 11.60 J/K55 4.500 3.875 5.000 3 130 217 1/2-11.60 L/N80 1/2 - 13.50 L/N 80 4.500 3.875 5.000 4.500 3.795 5.000 3 3 124
48、206 136 227 1/2 - 11.60 C90 1/2 - 13.50 C90 4.500 3.875 5.000 4.500 3.795 5.000 3.250 3 3 (all 4.5 label) 127 143 15 gms (all 4.5 label) 1/2- 11.60 Cm95 1/2 - 13.50 C/T 95 4.500 3.875 5.000 4.500 3.795 5.000 3 3 130 146 1/2- 11.60 PI10 1/2 - 13.50 PI10 4.500 3.875 5.000 4.500 3.795 5.000 3 3 130 148
49、 WA 116 193 125 208 - 13.00 J/K 55 - 15.00 J/K 55 5.000 4.369 5.563 5.000 4.283 5.563 3 3 - 15.00 L/N 80 - 18.00 L/N 80 5.000 4.283 5.563 5.000 4.151 5.563 3.5 3.5 164 237 220 367 - 15.00 c 90 - 18.00 c 90 5.000 4.283 5.563 5.000 4.151 5.563 3.625 3 3 (all 5 label) 198 238 20 gms (all 5 label) - 15.00 crr 95 - 18.00 crr 95 5.000 4.283 5.563 5.000 4.151 5.563 3.5 3.5 202 243 - 15.00 PI10 - 18.00 PI10 5.000 4.283 5.563 5.000 4.151 5.563 3.5 3.5 208 248 Note: API 5A3 reference thread compound (formerly MI 5A2) contains metals including lead, and has a specific gravity near
