Title: 5-7/8 eXtreme Reach (XR) Drill Pipe
15-7/8? eXtreme Reach (XR?) Drill Pipe
2eXtreme Reach Drill Pipefor ERD Applications
- Torque and drag are generally considered to be
critical drilling parameters for ERD wells. - Torque and drag are significant constraints, but
are generally not the governing drill pipe design
issues. - Hydraulic limitations are usually more
restrictive.
3eXtreme Reach Drill Pipefor Deepwater
Applications
- eXtreme Reach Drill Pipe initially developed to
overcome hydraulic limitations encountered in
ERD. - Interest for Deepwater also generated.
- Deepwater wells with TVDs of 20,000 ft and
deeper are becoming more common. - Deepwater has reduced margins between pore
pressure and fracture gradient. - Require several casing points and long 9-5/8? or
larger protective casing strings.
4eXtreme Reach Drill Pipe for ERD Deepwater
Applications
- Substantial ERD Deepwater projects use 5-1/2?
and 6-5/8? drill pipe. - 5-1/2? drill pipe introduces hydraulic
limitations in long 12-1/4? and larger size hole
sections. - 6-5/8? drill pipe represents an overdesign
relative to drilling loads. - 6-5/8? drill pipe requires too much rig space and
limits setback capacity. - 6-5/8? drill pipe cannot be used to drill 8-1/2?
hole sections.
5eXtreme Reach Drill Pipe for ERD Deepwater
Applications
- Due to the shortcomings of 5-1/2? and 6-5/8?
drill pipe, an intermediate size between 5-1/2?
and 6-5/8? is required. - Based on engineering analysis and discussions
with users, preferred OD is 5-7/8?.
65-7/8? XR? Drill Pipe System
- Engineering study completed and design parameters
are established. - Grant Prideco manufactured the first and all
strings of 5-7/8? XR? drill pipe. - Additional Potential Applications
- High Temperature, High Pressure Wells
- Ultra-Deep Wells
- Any application that needs more hydraulic
horsepower delivered to the bit.
75-7/8? 23.40 XR? S-135Drill Pipe System
- XT57 Tool Joint (7? OD x 4-1/4? ID)
- Tool Joint Torsional Strength - 94,300 ft-lb
- Tool Joint MUT - 56,600 ft-lb
- Pipe Body Performance Ratings
- New Premium
- Torsion (ft-lb) 105,500 83,000
- Tension (lbf) 844,200 666,500
- Burst (psi) 14,517 13,607
- Collapse (psi) 10,825 6,204
85-7/8? 23.40 XR? Drill Pipe Hydraulic Benefits
95-7/8? 23.40 XR? Drill Pipe Hydraulic Benefits
105-7/8? 23.40 XR? Drill Pipe Handling Equipment
Changes
- Slips 5-1/2? slip bodies can be used. Thinner
dies will be required on the slips to accommodate
the 5-7/8? drill pipe. A 7? slip body dressed
with inserts to grip the 5-7/8? pipe body can
also be used. The 7? slip body will allow the
use of thicker dies. - Elevators New elevators with a bore of 6-1/8?
should be used. - Top Drive Saver Sub The top drive saver sub
should be crossed over to Grant Pridecos XT57
connection. All Varco top drive saver subs
should be 5-1/2? from shoulder to shoulder. This
ensures the top drive pipe handler torque wrench
grips the box at least 2? from the box shoulder
face, eliminating opportunities for squeezing the
box in the counterbore region. As such, for
other top drive brands, the top drive saver sub
should also be a length which provides torque
wrenching at the same 2? length minimum from the
box shoulder face. - Pipe Wiper No modifications are required.
115-7/8? 23.40 XR? Drill Pipe Handling Equipment
Changes
- B.O.P. Pipe Rams If variable size rams are
being utilized, no modifications are required.
Otherwise, the B.O.P. pipe rams will have to be
ordered for the 5-7/8? drill pipe. - Note If it becomes necessary to hang off and
shear the pipe with the rams, a fixed ram for
5-7/8? may be required. Check with the B.O.P.
manufacturer. - Drill Pipe Safety Valve The safety valve should
be ordered to be used with the XT57 and a 4-1/4?
ID. - Finger Board No modifications are required.
- Automatic Pipe Handling Equipment No
modifications are required. - Iron Roughneck Spinner No modifications are
required. - 10 Mud Bucket The mud bucket will need to be
bored out so that it will seal around the pipe
body.
125-7/8? 23.40 XR? Drill Pipe Handling Equipment
Changes
- 11 Pick-up Line No modifications are required.
- 12 Crossover Subs Crossover subs need to be
ordered with the XT57 tool joint. - 13 Lift Nipples No modifications are required.
- 14 Top Drive Bell Stabbing Guide The top drive
bell stabbing guide should be checked to ensure a
tight clearance between the stabbing guide and
the box connection. Adjust the effective bore in
the top drive bell stabbing guide to ensure there
is no more than ½? clearance (on the diameter)
between it and the XT57 box tool joint OD. With
a 7.000? O.D. tool joint, the standard 5 top
drive bell stabbing guide will usually work good.
(Varco flipper part number is 99304). - 15 Rig Floor Stabbing Guide A stabbing guide
should be used on the rig floor any time a pin is
stabbed into the box. For the XT connection,
this will ensure proper alignment when stabbing
and reduce stabbing damage.
135-7/8? XR? XT57Drill Pipe Available Sizes
- 5-7/8? 23.40 (0.361? wall) XT57 (7? X 4-1/4?)
- Standard Product
- 5-7/8? (0.415? wall) XT57 (7? X 4-1/4?)
- Enhanced Product to provide tensile capacity
performance equivalent to 6-5/8? 27.70 drill pipe
145-7/8? 23.40 XR? S-135XT57 Performance
Properties
155-7/8? 23.40 XR? S-135XT57 Torque-Tension Curve
165-7/8? 23.40 XR? S-135XT57 Wear Characteristics
175-7/8? (0.415? wall) XR? S-135XT57 Performance
Properties
185-7/8? (0.415? wall) XR? S-135XT57
Torque-Tension Curve
195-7/8? (0.415?wall) XR? S-135XT57 Wear
Characteristics
205-7/8? XR? Drill Pipe Strings
- Quail Rental Tools - Two Strings
- Weatherford - Two Strings (third string on order)
- Workstrings
- ARCO China, Inc.
- Subsurface Tools - One String (plus 10,000 ft on
order) - Chiles Offshore - 20,000 ft ordered
- BP Amoco Colombia - 36,000 ft ordered
- BP Amoco Chirag - 30,000 ft being considered for
purchase
215-7/8? XR? Drill Pipe Applications
- Exxon Alabaster ERD Project - GOM
- Shell Brutus GOM Deepwater Project - reportedly
set record for 14-3/4? hole size penetration rate
(3,600 ft/day) - Shell Mars GOM Deepwater Project
- Shell Auger GOM Deepwater Project - reported
record penetration rates. - Chevron Genesis GOM Deepwater
- Ocean Energy GOM - 1st 5-7/8? V-150 String
- ARCO China Yacheng ERD Project in the South China
Sea - Upcoming - Chiles Offshore to go on another Shell
GOM project - Upcoming - Deutag Drilling to go on BP Amoco
Chirag project - Upcoming - Parker Drilling to replace all 6-5/8?
5? on BP Amoco Colombia project - Upcoming - BP Amoco Amberjack GOM ERD project
225-7/8? XR? Drill PipeTechnical Questions?
Contact Grant Prideco H-Series Marketing
Department Michael J. Jellison (Product
Manager) 1 (281) 297-8509 direct 1 (281)
297-8535 fax michael.jellison_at_grantprideco.com Br
ett Chandler (Sr. Marketing Engineer) 1 (281)
297-8692 direct 1 (281) 297-8535
fax brett.chandler_at_grantprideco.com