Operational Limits (Connection at Recommended MUT = 84600 ft-lbs)

Drill-Pipe Configuration
Nominal Pipe Body OD
Nominal Pipe Body Wall Thickness
Pipe Body Grade
Drill-Pipe Length
Tool Joint
Tool Joint OD
Tool Joint ID
Pin Tong
Box Tong
SlipProof Landing String Rating (lbs) 2,446,400
SlipProof Drill-Pipe Performance Sheet
Warning: Weld cross sectional area is lower than acceptable. Note: Connection torsional strength is less than 80% pipe
body torsional strength. Elevator Capacity is weaker than tube in tension.
(in) 6.625
SlipProof Section Length (in) 72
(in) 0.938
Nominal Pipe Body Wall
56.95
UD-165
Pipe Body Minimum Yield Strength (psi) 165,000
Range2
Pipe Body Minimum Ultimate Tensile Strength (psi) 170,000
6-5/8 FH
Drill-Pipe Approximate Length
(ft) 32.04
(in) 8.688
Upset IEU
(in) 3.250
Elevator OD (in) 3/32 Raised
(in) 11
(in) 14
Tool Joint Specified Minimum Yield Strength (psi) 135,000
Based on: 90 % Inspection Class SlipProof, 90 % Inspection Class Pipe Body,
tool joint at recommended make-up torque, elevator OD, no applied drilling torque.
SlipProof Section Slip Crushing Capacity
SlipProof Section Slip Crushing Capacity (lbs) 3,064,700 2,695,500 2,338,400
SlipProof Section Tensile Strength (lbs) 3,937,200 3,415,900 2,923,000
Assumed Slip Length
Transverse Load Factor (K)
SlipProof Configuration ( 6.906 OD (in) 3.250 ID (in) 135,000 Min Yield (psi) )
(in)
20
2.6
SlipProof Section Specified Minimum Yield Strength (psi) 135,000
Pipe Body Slip Crushing Capacity
Slip Crushing Capacity
Assumed Slip Length
Transverse Load Factor (K)
Drill-Pipe Performance
(lbs)
(in)
20
2.6
Performance for Drill-Pipe with Pipe Body at
90 % Inspection Class
Applied Make-up Applied Drilling Max Tension
Torque (ft-lbs) Torque (ft-lbs)
(lbs)
84,600
0
84,600
2,446,400
2,341,700
82,700
0
2,446,400
2,346,500
82,700
Recommended Make-up Torque 84,600
Minimum Recommended Make-up Torque 82,700
Nominal 90 % Inspection Class 80% Inspection Class
Note: Slip manufacturer should provide Slip Length and Transverse Load Factor.
Note: Slip crushing calculation from Spiri Reinhold, Why Does Drill Pipe Fail in the Slip Area,
World Oil 1959.
Pipe Body Configuration ( 6.625 OD (in) 0.938 Wall (in) UD-165 )
Nominal 90 % Inspection Class API Premium
2,174,100 1,937,900
1,705,500
Note: Slip manufacturer should provide Slip Length and Transverse Load Factor.
Note: Slip crushing calculation from Spiri Reinhold, Why Does Drill Pipe Fail in the Slip
Area, World Oil 1959.
Drill-Pipe Adjusted Weight
Fluid Displacement
Fluid Capacity
Fluid Capacity
Drift Size
Drill-Pipe Length Range2
(lbs/ft)
(gal/ft)
(gal/ft)
(Bbls/ft)
(in)
Best Estimates
(without Coating) (with Coating)
75.72
1.157
0.759
0.753
0.01807 0.01793
3.125
Note: Drill pipe assembly values are best estimates and may vary due to pipe body mill tolerance, internal plastic
coating, and other factors.
Note: Oil field barrel equals 42 US gallons.
Tool Joint Performance 6-5/8 FH ( 8.688 X 3.250 ) 135,000
Tension at Shoulder Tension at Connection Tool Joint Dimensions
Tool Joint Torsional Strength
Applied Make-up
Torque
Separation
(ft-lbs)
Yield
(lbs) (lbs)
3,063,200 3,063,200
3,130,100 3,132,700
Note for TurboTorque connections: Turbo Make-up Torque is an acceptable increased make-up torque if additional torque is required for drilling.
(in) (in) (psi)
Bevel Diameter (in) 7.703
Balanced OD (in) 8.691
Minimum Tool Joint OD for API
Premium Class
(in)
Not Applicable
165,400 Tool Joint Tensile Strength
3,132,700
(ft-lbs) (lbs)
Elevator Shoulder Information
Box OD at Elevator (no wear) 8.875
Elevator OD Nominal Tool Joint Worn to Bevel
3/32 Raised
OD
Diameter
Box OD (in) 8.875
8.688 7.703
Not Applicable
Elevator Capacity
(lbs) 2,536,200
2,251,500 856,100
0
Assumed Elevator Bore
(in) 7.031
(in)
Worn to Min TJ OD for
API Premium Class
Note: Elevator capacity based on assumed Elevator Bore, no wear factor, and contact stress of 110,100psi.
Note: A raised elevator OD increases elevator capacity without affecting make-up torque.

Pipe Body Performance
Pipe Body Configuration ( 6.625 OD (in) 0.938 Wall (in) UD-165 )
Nominal 90 % Inspection Class API Premium Class
Pipe Tensile Strength (lbs) 2,763,900 2,446,400 2,137,900
Pipe Torsional Strength
(ft-lbs) 333,400 292,400
253,400
TJ/PipeBody Torsional Ratio 0.50
0.57
0.65
80% Pipe Torsional Strength
Burst
Collapse
(ft-lbs) 266,700
(psi) 40,883
(psi) 40,108
233,900
42,051
37,601
202,700
37,378
34,865
Note: Nominal Burst
calculated at 87.5% RBW
per API.
Pipe Body Geometry
Pipe Body Configuration ( 6.625 OD (in) 0.938 Wall (in) UD-165 )
Nominal 90 % Inspection Class API Premium Class
Pipe OD (in) 6.625
6.437
6.250
Wall Thickness
(in) 0.938
0.844
0.750
Nominal Pipe ID
(in) 4.750
4.750
4.750
Cross Sectional Area of Pipe Body
(sq in) 16.751 14.826 12.957
Cross Sectional Area of OD
(sq in) 34.472 32.547
30.678
Cross Sectional Area of ID
(sq in) 17.721 17.721
17.721
Section Modulus
(cubic in) 21.003 18.426
15.969
Polar Section Modulus
(cubic in) 42.006 36.852
31.939
Note: The technical information contained herein, including the product performance sheet and other attached documents, is for reference only and should not
be construed as a recommendation. The user is fully responsible for the accuracy and suitability of use of the technical information. NOV Grant Prideco cannot
assume responsibility for the results obtained through the use of this material. No expressed or implied warranty is intended. Drill pipe assembly properties are
calculated based on uniform OD and wall thickness. No safety factor is applied. The information provided for various inspection classes and for various wear
conditions (remaining body wall) is for information only and does not represent or imply acceptable operating limits. It is the responsibility of the customer and
the end user to determine the appropriate performance ratings, acceptable use of the product, maintain safe operational practices, and to apply a prudent safety
factor suitable for the application.

Tenssion
(lbs)
3,500,000
3,000,000
2,500,000
2,000,000
1,500,000
1,000,000
500,000
0
Torque‐Tension Graph
Tool Joint: 6‐5/8 FH (8.688 X 3.250) SMYS = 135,000 psi
Pipe Body: 90% Inspection Class, 6.625 inch OD, 0.938 inch wall thickness, UD‐165 Pipe Grade
Drilling Torque (ft‐lbs)
Pipe Body in Combined Loading
Pipe Body Yield at 90%
Inspection Class
Tool Joint Applied Make‐up Torque
Tool Joint Yield
Tool Joint Shoulder Separation
Recommended MUT
Min Recommended MUT

Tennsion
(lbs)
3,000,000
2,500,000
2,000,000
1,500,000
1,000,000
500,000
0
Operational Limits (Connection at Recommended MUT = 84,600 ft‐lbs)
Tool Joint: 6‐5/8 FH (8.688 X 3.250) SMYS = 135,000 psi
Pipe Body: 90% Inspection Class, 6.625 inch OD, 0.938 inch wall thickness, UD‐165 Pipe Grade
Safe Operating Zone
Drilling Torque (ft‐lbs)
Overload Zone

Tennsion
(lbs)
3,000,000
2,500,000
2,000,000
1,500,000
1,000,000
500,000
Operational Limits (Connection at Min Recommended MUT = 82,700 ft‐lbs)
0
Tool Joint: 6‐5/8 FH (8.688 X 3.250) SMYS = 135,000 psi
Pipe Body: 90% Inspection Class, 6.625 inch OD, 0.938 inch wall thickness, UD‐165 Pipe Grade
Safe Operating Zone
Drilling Torque (ft‐lbs)
Overload Zone

Tool Joint
Pipe Body
0
4,500
8,900
13,400
17,800
22,300
26,700
31,200
35,600
40,100
44,500
49,000
53,400
57,900
62,300
66,800
71,200
75,700
80,100
84,600
6-5/8 FH Tool Joint OD (in) 8.688
90 % Inspection Class Pipe Body OD (in) 6.625
2,446,400
2,446,100
2,445,200
2,443,800
2,441,800
2,439,200
2,436,100
2,432,400
2,428,200
2,423,200
2,417,900
2,411,800
2,405,200
2,397,900
2,390,200
2,381,700
2,372,700
2,362,900
2,352,800
2,341,700
Tension at
Pipe Body
Yield (lbs)
2,446,400
2,446,100
2,445,200
2,443,800
2,441,800
2,439,200
2,436,100
2,432,400
2,428,200
2,423,200
2,417,900
2,411,800
2,405,200
2,397,900
2,390,200
2,381,700
2,372,700
2,362,900
2,352,800
2,341,700
Tension at
Shoulder
Separation (lbs)
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
Operational drilling torque is limited by the Make-up Torque.
Tension at
Connection
Yield (lbs)
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
3,063,200
Note: Drill-Pipe porperties are calculated based on uniform OD and wall thickness. No safety factor applied.
This performance sheet is for reference only.
Note: Recommended MUT should always be used when possible. If not possible, MUT should be as close
to Recommended MUT as possible.
For Turbo Torque connections: Turbo MUT is an acceptable increased MUT if additional torque is reqired for
drilling.
Tool Joint ID (in)
3.250
Tool Joint Specified Minimum
Yield Strength (psi)
135,000
Wall Thickness (in) 0.938 Pipe Body Grade
UD-165
0
4,400
8,700
13,100
17,400
21,800
26,100
30,500
34,800
39,200
43,500
47,900
52,200
56,600
60,900
65,300
69,600
74,000
78,300
82,700
2,446,400
2,446,100
2,445,300
2,443,900
2,442,000
2,439,600
2,436,600
2,433,000
2,429,000
2,424,300
2,419,100
2,413,300
2,407,100
2,400,100
2,392,700
2,384,600
2,376,000
2,366,700
2,357,000
2,346,500
Tension at
Pipe Body
Yield (lbs)
2,446,400
2,346,500
Tension at
Shoulder
Separation
(lbs)
3,130,100
2,446,100 3,130,100
2,445,300 3,130,100
2,443,900 3,130,100
2,442,000 3,130,100
2,439,600 3,130,100
2,436,600 3,130,100
2,433,000 3,130,100
2,429,000 3,130,100
2,424,300 3,130,100
2,419,100 3,130,100
2,413,300 3,130,100
2,407,100 3,130,100
2,400,100 3,130,100
2,392,700 3,130,100
2,384,600 3,130,100
2,376,000 3,130,100
2,366,700 3,130,100
2,357,000 3,130,100
3,130,100
Tension at
Connection
Yield (lbs)
3,132,700
3,132,700
3,132,700
3,132,700
3,132,700
3,132,700
3,132,700
3,132,700
3,132,700
3,132,700
3,132,700
3,132,700
3,132,700
3,132,700
3,132,700
3,132,700
3,132,700
3,132,700
3,132,700
3,132,700
Operational drilling torque is limited by the Make-up Torque.
Tension at
Pipe Body
Yield (lbs)
Tension at
Shoulder
Separation
(lbs)
Tension at
Connection
Yield (lbs)
Note: Table above left intentionally blank. Turbo MUT and performance
properties only apply to Turbo Torque connections.

Min MUT
Max MUT
82,700
82,900
83,100
83,300
83,500
83,800
84,000
84,200
84,400
84,600
Make-up Torque and Max Tension Table
Tension at Shoulder
Separation (lbs)
3,130,200
3,127,800
3,120,200
3,112,600
3,105,000
3,093,600
3,086,100
3,078,500
3,070,900
3,063,300
Tool Joint
Tool Joint 6-5/8 FH Tool Joint OD (in) 8.688 Tool Joint ID (in) 3.250 Tool Joint Specified Minimum
Yield Strength (psi)
135,000
Tension at Connection
Yield (lbs)
3,132,800
3,127,800
3,120,200
3,112,600
3,105,000
3,093,600
3,086,100
3,078,500
3,070,900
3,063,300
Note: Recommended MUT should always be used when possible. If not possible, MUT should be as close to Recommended MUT as possible.
0
2,446,400
26,600
2,436,200
Pipe Body
Combined Loading Table (Torque-Tension)
Pipe Body 90 % Inspection Class Pipe Body OD (in) 6.625 Wall Thickness (in) 0.938 Pipe Body Grade
UD-165
53,200
2,405,500
79,700
2,353,700
106,300
2,279,000
132,900
2,179,000
159,500
2,050,300
186,100
1,886,800
212,600
1,679,400
239,200
1,406,800
265,800
1,019,100
292,300
56,400

Torque T (ft‐lbs)
250,000
200,000
150,000
100,000
50,000
0
Tool Joint Wear for 6‐5/8 FH (8.688 X 3.250)
Material SMYS (specified minimum yield strength) = 135,000 psi
Tool Joint OD (inches)
Tool Joint
Torsional Strength
Recommended MUT
Min Recommended MUT
Pipe Body
80% of Premium Pipe
Body Torsional Strength
Pipe Body: 6.625 inch OD, 0.938 inch wall
thickness, UD‐165 Pipe Grade

Tool Joint
Wear
New OD
Worn OD
Tool
Joint OD
(in)
8.6875
8.619
8.551
8.483
8.415
8.347
8.278
8.21
8.142
8.074
8.006
7.9375
Recommended Make-up Torque
Rec MUT
(ft-lbs)
84,600
84,600
84,600
84,600
82,800
78,900
74,900
71,000
67,200
63,400
59,600
55,900
Tension at
Shoulder
Separation (lbs)
3,063,300
2,982,900
2,890,200
2,782,300
2,745,600
2,813,500
2,893,800
2,981,000
3,073,400
3,093,400
2,908,800
2,733,600
Torsional
Strength
(ft-lbs)
165,400
158,400
151,500
144,700
138,000
131,400
124,800
118,300
111,900
105,600
99,400
93,200
Tension at
Connection
Yield (lbs)
3,063,300
2,982,900
2,890,200
2,782,300
2,745,600
2,813,500
2,893,800
2,981,000
3,073,400
3,123,300
3,007,300
2,891,500
Minimum Make-up Torque
Tension at
Min MUT Shoulder
(ft-lbs) Separation (lbs)
Tension at
Connection
Yield (lbs)
82,700 3,130,200 3,132,800
79,200 3,067,200 3,132,800
75,800 3,006,500 3,132,800
72,400 2,944,700 3,132,800
69,000 2,881,800 3,132,800
65,700 2,821,800 3,132,800
62,400 2,761,800 3,132,800
59,200 2,703,900 3,132,800
56,000 2,644,700 3,132,800
52,800 2,576,200 3,123,300
49,700 2,425,700 3,007,300
46,600 2,278,800 2,891,500
Note for API Connections: Tension at shoulder separation and Tension at connection failure may
fluctuate as OD decreases due to Recommended make-up toqure exceeding T3.
0
2,446,400
Tool
Joint OD
(in)
8.6875
8.619
8.551
8.483
8.415
8.347
8.278
8.21
8.142
8.074
8.006
7.9375
26,600
2,436,200
Pipe Body
Combined Loading Table (Torque-Tension)
53,200
2,405,500
79,700
2,353,700
106,300
2,279,000
132,900
2,179,000
159,500
2,050,300
186,100
1,886,800
Turbo Make-up Torque
Tension at
Turbo MUT
Tension at
Shoulder Connection
(ft-lbs) Separation (lbs)
Yield (lbs)
Note: Table above left intentionally
blank. Turbo MUT and performance
properties only apply to Turbo Torque
connections.
Pipe Body 90 % Inspection Class Pipe Body OD (in) 6.625 Wall Thickness (in) 0.938 Pipe Body Grade
UD-165
212,600
1,679,400
239,200
1,406,800
265,800
1,019,100
292,300
56,400