129422408 api 16a drill through xls

No. Instructions Comments and recordedvalues

Standards and instructions Rig's

Ram PreventersDrift tests

7.1.1 The drift test is required on Ram BOP, Annular BOP, Hydraulic connectors,drilling spools and adapters.

API Spec 16A chapter 7.5.8.4

7.1.2 The equipment size and rated working pressure: TABLE 1-API 16A API Spec 16A chapter 4.2.2

7.1.3 Pass a drift mandrel through the bore of the assembly after all pressuretesting

API Spec 16A chapter 7.5.8.4.1

7.1.4 The drift mandrel diameter shall be in accordance with the drift diameter inTable 1 with a tolerance of plus 0.010 inch and minus 0.000 inch

API Spec 16A chapter7.5.8.4.1.1

7.1.5 The drift mandrel gauge length shall be at least 2 inches longer than anycavity that intersects the bore, but no less than 12 inches.


7.1.6 The minimum temperature is the lowest ambient temperature the equipmentmay be subjected.

API Spec 16A chapter 4.2.2

7.1.7 The maximum temperature is the highest temperature of the fluid whichmay flow through the equipment


7.1.8 Equipment shall be designed for metallic parts to operate with thetemperature shown in Table 2


7.1.9 The temperature class of the welfare non metallic components shall be asfollows:


7.1.10 Temperature Rating Metallic Materials API Spec 16A chapter 8.4.2.4

Contents of substraction from API Specification 16A Specification for Drill Through Equipment

7.1 GENERAL

Temperature ratings

7.1 GENERAL

© ModuSpec Engineering (INT) BV API Spec 16A of 5



7.1.11 Dimensions for the type 16B integral hubs shall be conform to table 5 ofpage 10 API Spec 16A

API Spec 16A chapter4.3.4.2.2.2.1

7.1.12 Dimensions for the type 16B hubs blind hubs shall be conform Figure 3page 9 API Spec 16A


7.1.13 Dimensions for the type 16BX integral hubs shall be conform to table 6.7 or8 of API Spec 16A


7.1.14 Dimensions for the type 16BX blind l hubs shall be conform to fig 3 of APISpec 16A


7.1.15 Dimensions for all ring groves shall conform to Tables 6,7, or 8 of API Spec16A


7.1.16 Type BX hubs may be manufactured with corrosion resistant overlays in thering grooves. Prior to overlay the ring grooves shall conform to APISpecification 6A


7.1.17 All clamps shall have grooves in their bores with 25 (+/-0.25) degree anglesto fit API 16B and 16BX hubs


7.1.18 All 25 degree surfaces in clamp grooves shall have a surface finish of 32RMS or less


7.1.19 The clamp bore shall provide a minimum of 0.125 inch radial clearancearound the hub neck in the made up condition on all hubs it is designed tofit


7.1.20 Spherical face heavy nuts or spherical washers shall be used to minimizepotential bending in bolts.


7.1.21 Type R, RX and BX ring-joint gaskets are used in flanged, studded and hubconnections. Type R and RX gaskets are interchangeable in type R ringgrooves. Only type RX gaskets are to be used with SR ring grooves. Onlytype BX gaskets are to be used with 6BX grooves. Type RX and BXgaskets are not interchangeable.


7.1.22 Hydrostatic proof testing shall be as shown in Table 18 of API Spec 16A API Spec 16A chapter7.5.8.6.2.2.

7.1.22 Table 18 - Hydrostatic Test Pressure (psi) API Spec 16A chapter7.5.8.6.3.1

7.1.23 The hydrostatic proof test shall consist of three steps: API Spec 16A chapter 7.5.8.6.4a) the initial pressure-holding period of not less than 3 minutes.b) the reduction of the pressure to zeroc) The second pressure-holding period of not less than 15 minutes

7.1.24 The timing of the test shall not start until the test pressure has beenstabilized within the manufacturer's specified range and the externalsurfaces have been thoroughly dried.


7.1.25 The hydraulic operating chamber shall be tested at a minimum testpressure equal to 1.5 times the operating chambers rated working pressure.


16B hubs

16BX hubs

Clamps

Use of gaskets

Hydrostatic Proof Testing

Hydraulic Operating Chamber Test

Closed Preventer Test




7.1.26 Each ram and annular blow out preventer shall be subjected to a closedpreventer test after the hydraulic proof test. The hydraulic operating systempressure used shall be equal to or less than the manufacturer's specifiedoperating pressure.


7.1.27 The timing of all closed preventer tests shall not start until the test pressurehas stabilised .


7.1.28 Closed preventer tests shall be performed at low and high pressure with thelow pressure tests always preceding the high pressure test


7.1.29 A pressure of 200 to 300 psi shall be applied and held below the closed ramor annular packing unit for a time period of not less than 10 minutes afterstabilization


7.1.30 A pressure at least equal to the rated working pressure of the preventershall be applied and held below the closed ram or annular packing unit for atime period of not less than 10 minutes after stabilization.


7.1.31 Variable bore rams shall be tested on the minimum and the maximum sizesfor their range.


7.1.32 Each blow out preventer equipped with a hydraulic ram locking system shallbe pressure tested with the locking system engaged. The preventer shall betested in accordance with API Spec 16 A chapter 7.5.8.7.1.3.1. and7.5.8.7.1.3.2. after the rams are closed, the locks engaged and then alloperating pressure(s) released.


7.1.33 A written manual specification shall be required for all metallic pressurecontaining or pressure controlling parts. The manufacturer's writtenspecified requirements for metallic materials shall define the following;


a. Material composition with toleranceb. Material qualificationc. Allowable melting practice(s)d. Forming practice(s)e. Heat treatment procedure including cycle type time and temperature withtolerances, heat treatment equipment and cooling mediaf. NDE requirementsg.Mechanical property requirements

7.1.34 Each manufacturer shall have written specifications for all elastomericmaterials used in the production of drill through equipment. Thesespecifications shall include the following physical test limits for acceptanceand control:


a. Hardness per ASTM D2240 or D1415b. Normal stress-strain properties per ASTM D412 or D1414c. Compression per ASTM D395 or D1414d. Immersion test per ASTM D471 0r D1414

7.1.35 All repair welding shall be done in accordance with the manufacturer'swritten specification. All major repair welds performed subsequent tooriginal heat treatment shall be mapped


7.1.36 Welding and completed welds shall meet the requirement of chapter 7 ofAPI Spec 16A (Quality Control Requirements)


Metallic parts

Non-metallic parts

Weld Repairs

Material requirements




7.1.37 All equipment used to inspect, test or examine material or other equipmentshall be identified, controlled, calibrated and adjusted at specified intervalsin accordance with documented manufacturer's instructions, and shall beconsistent with referenced industry standards to maintain the accuracyrequired by this specification.


7.1.38 Dimensional measuring equipment shall be controlled and calibrated by themethods specified in MIL-STD-120 to maintain the accurancies specified byAPI and the manufacturer's specification. Dimensional measuringequipment not covered by MIL-STD-120 shall be controlled and calibratedin accordance with the manufacturer's writtenspecification.


7.1.39 Test measuring devices shall be either pressure gages or pressuretransducers and shall be accurate to at least +/-0.5 percent of full scalerange


7.1.40 Pressure gauges shall have a minimum face diameter of 4.5 inches.Pressure measurements shall be made at not less than 25 percent normore than 75 percent of the full pressure span of the gauge


7.1.41 Pressure measuring devices shall be periodically recalibrated with a masterpressure measuring device or a dead weight tester at 25 percent, 50percent and 75 percent of full scale.


7.1.42 Calibration intervals shall be established for calibrations based onrepeatability and degree of usage of the pressure measuring devices


7.1.43 Calibration intervals shall be a maximum of three months until recordedcalibration history can be determined by the manufacturer and new intervalsestablished.


7.1.44 Critical dimensions as defined by the manufacturer shall be documented foreach part and such documentation shall be retained by the manufacturer inaccordance chapter 7.6 API Spec 16A. The manufacturer shall define anddocument the extent to which dimensions shall be verified.


7.1.45 All accessible well fluid wetted surfaces and all accessible sealing surfacesof each finished part shall be inspected after final heat treatment and afterfinal machining operations by either magnetic particle (MP) or liquidpenetrant (LP) method.


7.1.46 All accessible well fluid wetted surfaces of each finished part shall beinspected after final heat treatment and after final machining operations byLP method.


7.1.47 MP examination shall be in accordance with procedures specified in ASTME 709. Prods are not permitted on well fluid wetted surfaces or sealingsurfaces.


7.1.48 LP examination shall be in accordance with procedures specified in ASTME-165


7.1.49 One hundred percent of all pressure containing welds, repair and weldmetal overlay welds and repaired fabrication welds shall be examined byeither MP or LP methods after all welding, post weld treatment andmachining operations are completed. The examination shall include 1/2 inchof adjacent base material on both sides of the weld.


7.1.50 All repair welds shall be examined using the same methods and acceptancecriteria used in examining the base material


7.1.51 One hundred percent of all pressure containing welds shall be examined byeither radiography, ultrasonic or acoustic emission methods after all weldingand post-weld heat treatment. All repair welds where the repair is greaterthan 25 percent of the original wall thickness or 1 inch (whichever is less)shall be examined by either radiography, ultrasonic or acoustic emissionmethods after all welding and post-weld heat treatment. Examinations shallinclude at least 1/2- inch of adjacent base material on all sides of the welds.


7.1.52 Radiographic examinations shall be performed in accordance withprocedures specified in ASTM E94, to a minimum equivalent sensitivity of 2percent. Both the X-ray and gamma ray radiation sources are acceptablewithin the inherent thickness range limitation of each


7.1.53 Ultrasonic examinations shall be performed in accordance with proceduresspecified in ASME Boiler and Pressure vessel Code V, article 5.


Measuring and testing equipment

Weld NDE

Weld NDE Volumetric for fabrication

Pressure measuring devices

Dimensional Verification

Surface NDE of ferromagnetic materials

Surface NDE of non-ferromagnetic materials




7.1.54 Acoustic emission (AE) examinations shall be performed in accordance withprocedures specified in ASTM E 569. The acoustic emission examinationshall be conducted throughout the duration of the hydrostatic "in-plant" test


7.1.55 All accessible pressure-containing, non pressure containing and majorrepairs shall be hardness tested.



129422408 api 16a drill through xls

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