Exceptions to NS-1
(Formerly Shell SQAIR)

Please note that these exceptions apply only to the specific operator, equipment manufacturer and equipment specified.

 Exception No.

 By

 Company

 Equipment

Exception

Exception Status

NS1/001
Owen Jenkins, OCTG Procter Consultancy
 Grant Prideco
Hardbanding
Surface finish
Waiting on client approval
NS1/002
Richard Hailes, Shell Expro
Shell Expro UESM Mobiles/Anadrill
Variable Gauge Stabiliser, Fluid Hammer
Certificate of Conformity not Available. Delivery note and test certificate are used and include all serial numbers, etc., for traceability
Accepted
NS1/003
Richard Hailes, Shell Expro
Shell Expro UESM Mobiles/Anadrill
Material certification not available. Equipment in inventory released through a controlled procedure
Rejected for items procured after 1/4/200

Accepted for items procured before 1/4/2000

NS1/004
Richard Hailes, Shell Expro
Shell Expro UESM Mobiles/Anadrill
Variable gauge stabiliser, fluid hammer
Lot numbers not specified on individual component. Lot numbers are traceable through unique serial numbers
Accepted
NS1/005
Richard Hailes, Shell Expro
Shell Expro UESM Mobiles/Anadrill
All MWD/LWD Collars
Collars have locators pins welded in the collar. Pin essential for operation, failure mode likely - washout, no record of failure
Accepted
NS1/006
Richard Hailes, Shell Expro
Shell Expro UESM Mobiles/Anadrill
Powerdrive Rotary Steerable
Bias unit and extension sub are not internally hammer peened. Items classed as limited service (<250 hrs) before replacement
Accepted as Limited Service
NS1/007
Richard Hailes, Shell Expro
Shell Expro UESM Mobiles/Anadrill
Bent Subs
No SRG in pin end. The angle of the pin prohibits cutting of the SRG.
Accepted as Limited Service
NS1/008
Richard Hailes, Shell Expro
Shell Expro UESM Mobiles/Anadrill
Near Bit Subs
No bore back in box ends. Length prohibits the application of bore back without making the tool too long for directional drilling purposes.
Accepted
NS1/009
Richard Hailes, Shell Expro
Shell Expro UESM Mobiles/Anadrill
Near Bit Stabilisers
No bore back at bit end. Bit end bored for float, can not match BSR without reducing OD of stabilisers severely.
Accepted
NS1/010
Richard Hailes, Shell Expro
Shell Expro UESM Mobiles/Anadrill
Duumy valves & dummy dump valves - all Powerpack mud motors
No bore back. Difficult to apply bore back due to length of dummy and internal workings in dump valve
Rejected (existing valves are acceptable but will be consumed and replaced in 2000)
NS1/011
Richard Hailes, Shell Expro
Shell Expro UESM Mobiles/Anadrill
Powerpulse & Impluse MWD/LWD
No SRG or bore back. ID too large to apply SRG or bore back. Large ID allows tools to be secured inside collar
Accepted
NS1/012
Richard Hailes, Shell Expro
Shell Expro UESM Mobiles/Anadrill
Driveshafts on all Powerpack mud motors
No SRG or bore back. Application of SRG or bore back would lengthen shaft and increase susceptibility to failure
Accepted
NS1/013
Richard Hailes, Shell Expro
Shell Expro UESM Mobiles/Anadrill
Rocky back stabilisers
No SRG or bore back. Stabiliser too short to conform to minimum fishing dimensions
Accepted
NS1/014
Richard Hailes, Shell Expro
Shell Expro UESM Mobiles/Anadrill
Mud motor internal connections, e.g. ACME threads
No SRG or bore back. ID of stator tube housing too large to allow SRGs or bore backs.
Accepted
NS1/015
Owen Jenkins, OCTG Procter Consultancy
Talisman/Anadrill
Stress relief grooves on non-magnetic NC38 pin connections.
Accepted
NS1/016
Shell Expro/Weir Houston
Drilling Jar
Shot Peening as an alternative to Cold Rolling Threads
Accepted
NS-1 001/03
Owen Jenkins, OCTG Procter Consultancy
Baker Hughes Inteq
Flow Sub and Mule Shoe with NC38 Connections
Stress relief grooves on Cr-Mn NC38 pin connections.
Accepted
002/04 GSF
Kevin Fearnley, OCTG Procter Consultancy
Global Santa Fe
Drill Pipe
Charpy Values
Accepted
003/04 GSF
Kevin Fearnley, OCTG Procter Consultancy
Global Santa Fe
Drill Pipe
Break-In of New Tool Joint Connections              
Accepted
004/04 GSF
Kevin Fearnley, OCTG Procter Consultancy
Global Santa Fe
Drill Pipe
Charpy Values, Friction Weld             
Accepted
005/04 GSF
Kevin Fearnley, OCTG Procter Consultancy
Global Santa Fe
Drill Pipe
Chemical Composition Tube Bodies             
Accepted
006/04 GSF
Kevin Fearnley, OCTG Procter Consultancy
Global Santa Fe
Drill Pipe
Test Temperature for Tool Joint Charpy             
Accepted
007/04 GSF
Kevin Fearnley, OCTG Procter Consultancy
Global Santa Fe
Drill Pipe
Thread Compounds             
Accepted
001/05
Owen Jenkins, Fearnley Procter UK
Shell EPE
BHA Connections
Shot Peening
Accepted
002/05
Owen Jenkins, Fearnley Procter UK
Talisman
BHA Connections
Shot Peening
Accepted
003/05
Kevin Fearnley, Fearnley Procter UK
Halliburton
Pin Stress Relief Grooves
Accepted
004/05
Kevin Fearnley, Fearnley Procter UK
Halliburton
MWD Equipment
Connection boreback dimensions
Accepted
005/05
Kevin Fearnley, Fearnley Procter UK
Halliburton
MWD Equipment
Pin Stress Relief Grooves
Rejected
006/05
Kevin Fearnley, Fearnley Procter UK
Halliburton
MWD Equipment
Pin Stress Relief Grooves
Rejected

If you require more details of any of the above exceptions, please contact kevin.fearnley@fearnleyprocter.co.uk