Heavy Weight Drillpipe

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heavy weight drill pipe

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heavy weight drill pipe

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Minimum Minimum

Yield Strength tensile Strength

psi psi

tube 55,000 95,000

tool Joint 120,000 140,000

Traceability

Material and process traceability are maintained for each Heavy Weight Drill Pipe component. For the tool joints, the mill material certifications are confirmed by incoming testing and each tool joint blank is given a numbered heat code. This code is traceable through the manufacturing process. The heavy weight drill pipe tube is given a perma-nent identification number.

Cold Rolling

Drill pipe undergoes repeated, severe tensile stresses during a drilling operation. These cyclic stresses are particularly focused on the thread roots and can cause pipe failure. Grant Prideco helps alleviate this problem by compressing (cold rolling) the thread roots on every piece of heavy weight drill pipe. Because the threads are in a compressed state to begin with, the endurance limit to bending forces is increased, thereby decreasing fatigue.

Mechanical properties for tool joint materials are tabulated on page 18 of this catalog.

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rant Prideco Heavy Weight Drill Pipe is manufactured by

welding extra-long tool joints to heavy wall tubes.

Standard heavy weight tool joints are manufactured from AISI 4142H-4145H modified drill collar material.

The heavy weight pipe body is manufactured from AISI 1340

material. Extra-long tool joints are designed to provide increased space for connection rework.

Heavy Weight

drill Pipe Mechanical Properties

MATERIALS

H e a V Y W e i G H t d r i L L P i P e

API Specifications

Heavy Weight Drill Pipe is manufactured in compliance with the following API standards, as applicable: aPi Specification 7 Latest edition

aPi recommended Practice 7G Latest edition aPi Specification Q1 Latest edition

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hick-walled pipe, called Heavy

Weight Drill Pipe (HWDP), was developed to provided a gradual transition from the heavy drill collars to the relatively lightweight drill pipe. This inter-mediate-weight pipe has a wall thickness of approximately 1”, and helps prevent stress concentration at the top of the drill collar. It also allows you to drill at higher rpms, reducing torque and differential pressure sticking.

HWDP is intended primarily for directional drilling. Because it bends easily, it simplifies directional control and minimizes connection fatigue problems common to high-angle or horizontal drilling. The reduced number of pipe failures and increased drill-stem ser-vice also make HWDP appropriate for some straight-hole applications. Various combinations of HWDP, drill collars, and standard drill string can be created to meet the challenge of severe drilling conditions. 24” 26” 24” tool Joint od d B Upset diameter nominal Size a c Wear Section Upset diameter B elevator Upset diameter 180 180 31’

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While every effort has been made to insure the accuracy of the tables herein, this material is presented as a reference guide only. The technical information contained herein should not be construed as a recommendation. Grant Prideco cannot assume responsibility for the results obtained through the use of this material. No expressed or implied warranty is intended.

Heavy Weight drill Pipe

nominal Wall Section Spiral end tensile torsional connection tensile torsional Per Make-up

Size id thick- area Modulus Upsets Upsets Yield Yield Size and od id Yield Yield Per Joint torque (a) ness (sq in) (cu in) (c) (B) (lb) (ft-lb) type (d) (lb) (ft-lb) foot (31 ft) (ft-lb)

2 7_/₈ ₁1_/₂ _{0.688 4.727} _2.161₃5_/₁₆₂15_/₁₆ _{520,000 22,400 NC 26 (2}3_/₈_{IF) 3}3_/₈ ₁1_/₂ _357,700 _{6,300 17.26 535} _3,800 3 1_/₂₂1_/₁₆ _0.719 _{6.282 3.702} ₄ ₃7_/₈ _{345,500 19,600 NC 38 (3}1_/₂_{IF) 4}3_/₄ ₂1_/₈ _{842,400 19,200 25.65 795 11,500} NC 38 (31_/₂_{IF) 4}3_/₄ _{790,400 19,200 23.48 728 11,500} 31_/₂ ₂1_/₄ _{0.625 5.645 3.490} ₄ ₃7_/₈ _{310,500 18,500} _HT38 ₄7_/₈ ₂1_/₄ _{790,400 34,200 23.96 743 20,500} XT39 4 7_/₈ _{871,400 40,700 23.96 743 24,400} 4 29_/₁₆ _0.719 _7.411 _{5.225 4}1_/₂ ₄3_/₁₆ _{407,600 27,600} _{NC 40 (4 FH)} ₅1_/₄ ₂9_/₁₆ _{838,300 27,800 29.92 928 14,600} XT39 4 7_/₈ _{729,700 37,000 28.40 880 22,200} 4 1_/₂ ₂3_/₄ _{0.875 9.965} _7.698 ₅ ₄11_/₁₆ _{548,100 40,700} _{NC 46 (4 IF)} ₆1_/₄₂13_/₁₆ _{1,151,00 43,600 41.45 1,285 22,500} 5 ₃ 1.000 12.666 10.681 51_/₂ ₅1_/₈ _{691,200 56,500 NC 50 (4}1_/₂_{IF) 6}5_/₈ ₃ _{1416,200 57,800 50.38 1,562 30,000} HT50 88,800 53,300 51_/₂ ₃₁_/₄ _{1.125 15.463 14.342} ₆ ₅11_/₁₆ _{850,400 75,900} _{5 1}_/_{2 FH} ₇1_/₄ ₃1_/₄_{1,778,300 78,700 61.63 1,911 41, 2 0 0} HT55 115,100 69,000 57_/₈ ₄ _0.938 _{14.542 15.630}₆3_/₈ ₆ _{799,800 82,700} _XT57 ₇ ₄ _{1,403,100 106,200 57.42 1,780 63,700} 65_/₈ ₄1_/₂ _{1.063 18.574 22.476} ₇1_/₄₆15_/₁₆ _{1,021,600 118,900} ₆5_/₈_FH ₈ ₄1_/₂_{1,896,100 87,900 71.43 2,214 50,500}

tube tool Joint Weight (lb)

nominal tube

dimensions Properties tubeMechanical Mechanical Properties tool Joint

approx. incl. tube &

tool Joints

NOTE: 2 7_/₈_{” HWDP is manufactured integral only (non-welded).}

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rant Prideco developed Tri-Spiral™

Heavy Weight Drill Pipe for applications where standard heavy weight drill pipe can fail–extended reach or horizontal drilling. The severe bending stresses and hole-wall con-tact are reduced by three spiral upsets that are equally spaced between tool joints. The upset design helps reduce buckling and differential sticking, as well as torque and drag. Spiraling the upsets also helps move the cuttings off the low side of the hole for better hole cleaning. Tri-Spiral™_{Heavy Weight Drill Pipe features} more weight per joint and better hole cleaning characteristics than standard heavy weight drill pipe, providing optimum performance in severe drilling conditions.

24” 24” 26” 26” 26” d Pin tool Joint c Spiral Upset c center Spiral Upset c Spiral Upset d Box tool Joint B elevator Upset diameter B Upset diameter a nominal Size 31’ nominal Length

TRI-SPIRAL

TM

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115 tri-Spiral Heavy Weight drill Pipe

nominal Wall Section Spiral end tensile torsional connection tensile torsional Per Make-up Size id thick- area Modulus Upsets Upsets Yield Yield Size and od id Yield Yield Per Joint torque (a) ness (sq in) (cu in) (c) (B) (lb) (ft-lb) type (d) (lb) (ft-lb) foot (31 ft) (ft-lb)

2 7_/₈ ₁1_/₂ _0.688 _4.727 _2.161₃5_/₁₆₂15_/₁₆ _{520,000 22,900 NC 26 (2}₃_/_{8 IF) 3}3_/₈ ₁1_/₂ _357,700 _{6,300 18.22 565} _3,800 3 1_/₂ ₂1_/₁₆ _0.719 _6.282 _3.702 ₄ ₃7_/₈ _{345,500 19,600 NC 38 (3}1_/₂_{IF) 4}3_/₄ ₂1_/₈ _{842,400 19,200 27.05 839 11,500} NC 38 (31_/₂_{IF) 4}3_/₄ _{790,900 19,200 24.88 771 11,500} 31_/₂ ₂1_/₄ _0.625 _5.645 _3.490 ₄ ₃7_/₈ _{310,500 18,500} _HT38 ₄7_/₈ ₂1_/₄ _{790,900 34,200 25.36 786 20.500} XT39 4 7_/₈ _{871,400 40,700 25.36 786 24,400} 4 29_/₁₆ _0.719 _7.411 _{5.225 4}1_/₂ ₄3_/₁₆ _{407,600 27,600} _{NC 40 (4 FH)} ₅1_/₄ ₂9_/₁₆ _{838,300 27,800 31.51 977 14,600} XT39 4 7_/₈ _{729,700 37,000 29.99 930 22,200} 4 1_/₂ ₂3_/₄ _0.875 _9.965 _7.698 ₅ ₄11_/₁₆ _{548,100 40,700} _{NC 46 (4 IF)} ₆1_/₄₂13_/₁₆_{1,151,100 43,600 43.31 1,343 2 2, 5 0 0} 5 3 1.000 12.566 10.681 51_/₂ ₅1_/₈ _{691,200 56,500 NC 50 (4}1_/₂_{IF) 6}5_/₈ ₃ _{1,416,200 57,800 52.34 1,623 30,000} HT50 88,800 53,300 51_/₂ ₃1_/₄ _{1.125 15.463 14.342} ₆ ₅11_/₁₆ _{850,400 75,900} ₅1_/₂_FH ₇1_/₄ ₃1_/₄ _{1,778,300 78,700 63.78 1,977 41,200} HT55 115,100 69,000 5 7_/₈ ₄ _0.938 _{14.542 15.630}₆3_/₈ ₆ _{799,800 82,700} _XT57 ₇ ₄ _{1,403,100 106,200 57.42 1,780 63,700} 65_/₈ ₄1_/₂ _{1.063 18.574 22.476 7}1_/₄₆15_/₁₆_{1,021,600 118,850} ₆5_/₈_FH ₈ ₄1_/₂ _{1,896,100 87,900 74.67 2,315 50,500}

nominal tube

tool Joints

NOTE: 2 7_/₈_{” Tri-Spiral is manufactured integral only (non-welded).}

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piral-WateTM drill pipe, spiraled heavy-wall

drill pipe, is designed to handle maximum stress to save time and reduce drilling costs-especially in tough drilling environments.

Intermediate drill string members are constantly subjected to some of the most severe tasks in drill-ing today. The critical transition zone between stiff, heavy drill collars (under compression) and the light, more flexible drill pipe (in tension) can be too much for conventional heavy-wall drill pipe to han-dle.

Spiral-WateTM drill pipe’s unique patented spiral

design reduces differential sticking problems, mini-mizes wear and improves circulation. Precision tool joint alignment cuts down on excessive tool joint wear for longer service life and reduced fatigue.

d Box tool Joint B elevator Upset diameter c Spiral Upset a nominal Size d Pin tool Joint 24” 24” 31’ nominal Length 42” 21’4” 11”

SPIRAL-WATE

TM

DRILL PIPE

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Spiral-Wate drill Pipe

nominal Wall Section Spiral end tensile torsional connection tensile torsional Per Make-up Size id thick- area Modulus Upsets Upsets Yield Yield Size and od id Yield Yield Per Joint torque (a) ness (sq in) (cu in) (c) (B) (lb) (ft-lb) type (d) (lb) (ft-lb) foot (31 ft) (ft-lb)

3 3_/₁₆ ₂ _{0.594 4.840 2.687} ₅5_/₁₆₃3_/₁₆ _{532,400 28,400} _SLH90 ₃7_/₈ ₂ _{407,000 12,000 19.48 604} _6,300 NC 38 (31_/₂_IF) _{790,000 22,900} _13,100 31_/₂ ₂1_/₄ _{0.625 5.645 3.490} ₄ ₃5_/₈ _{310,500 18,500} _HT38 ₄7_/₈₂1_/₄ _{790,000 34,200 30.39 942 20,500} XT39 871,400 40,700 24,400 4 29_/₁₆ _0.719 _7.411 _5.225 ₄1_/₂ ₄1_/₈ _{407,600 27,600} _{NC 40 (4 FH)} ₅ ₂9_/₁₆ _{838,300 20,900 28.90 896 12,600} XT39 729,700 40,800 24,500 4 1_/₂ ₂3_/₄ _{0.875 9.965} _7.698 ₅ ₄5_/₈ _{548,100 40,700} _{NC 46 (4 IF)} ₆1_/₄₂13_/₁₆ _{1,151,100 43,600 49.53 1,535 22,500} 5 _{3 1.000 12.566} 10.681 51_/₂ ₅1_/₈ _{691,200 56,500 NC 50 (4}1_/₂_{IF) 6}5_/₈ ₃ _{1,416,200 57,800 59.16 1,834 30,000} HT50 88,800 53,300 51_/₂ ₄ _{0.750 11.192 11.764} ₆ ₅5_/₈ _{615,600 62,200} ₅1_/₂_FH ₇ ₄ _{1,054,800 55,900 55.21 1,712 29,200} HT55 77,200 46.300 57_/₈ ₄ _0.938 _{14.542 16.630} ₆3_/₈ ₆ _{799,800 82,700} _XT57 ₇ ₄ _{1,403,100 106,200 65.38 2,027 63,700} 65_/₈ ₅ _{0.813 14.837 19.285} ₇1_/₈ ₆3_/₄ _{816,000 102,000} ₆5_/₈_FH ₈ ₅ _{1,448,400 73,700 73.40 2,275 38,400}

nominal tube

tool Joints

NOTE: 3 3_/₁₆_{” Spiral-Wate, previously referred to as 2}7_/₈_{”, is manufactured integral only (non-welded).}

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eXtreme

™

Xd

™

-90 Heavy Weight drill Pipe

XD™_{-90 Heavy Weight Drill Pipe (HWDP) is a proprietary product offered by Grant Prideco for service in H}

2S

environments. XD™_{-90 HWDP is available in both Standard and Spiral HWDP.}

XD™_{-90 HWDP provides higher strength and a tempered martensite microstructure for enhanced resistance to} crack initiation and crack propagation compared to conventional HWDP. XD™_{-90 HWDP incorporates a} proprie-tary chemistry and a rigidly controlled quench and temper heat treatment process. XD™_{-90 HWDP has a} mini-mum yield strength of 90,000 psi compared to standard welded HWDP with a minimini-mum yield strength of 55,000 psi. With a NACE threshold stress of 85% of yield strength, XD-90™_{HWDP is resistant to sulfide stress} cracking. Its high fracture toughness makes XD™_{-90 HWDP ideal for the most demanding drilling conditions,} including applications with high bending loads and corrosive environments.

eXtreme™ drilling - Xd™-90 HWdP Material Specifications:

Xd-90™_tube _{controlled Yield tool Joint}

90,000 psi - 105,000 psi Yield Strength 100,000 psi - 115,000 psi Yield Strength

100,000 psi Minimum Tensile Strength 120,000 psi Minimum Tensile Strength

100 ft-lbs Minimum Charpy Impact Value 65 ft-lbs Minimum Charpy Impact Value

Maximum Hardness 24 HRC Maximum Hardness 28 HRC

Sulfide Stress cracking resistance - Per nace tMo177 - Method a tube material tested @ 85% Specified Minimum Yield Strength.

5” HWdP tube Mechanical Properties Grade Standard Xd-90 HW-95 torsional Strength 56,500 92,400 97,600 (ft-lbs) tensile Strength 691,200 1,131,000 1,193,000 (lbs)

eXtreme

™

HW-95

™

Heavy Weight drill Pipe

HW-95™_{high strength heavy weight drill pipe grade is a proprietary} grade offered by Grant Prideco for target applications requiring the use of HWDP high in the hole where elevated tensile and torsional loading is expected. HW-95™_{HWDP features a high yield strength} (95 ksi minimum), a 73% increase in yield strength over standard HWDP products, resulting in superior tensile and torsional strength properties. HW-95™_{HWDP was specifically designed such that} ten-sile and torsional capacities are equal to or greater than nearly all types of standard API drill pipes tubes. As a result of the increased strength, HW-95™_{HWDP is a perfect fit for applications such as} short radius, horizontal, and extended reach drilling (ERD) projects where use of HWDP above the kick-off point is required for applying bit weight and additional buckling stability.