Drill Collar Slips

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drill collar slips

Den-Con Drill Collar Slips provide a lightweight, high strength assembly to handle all drill collars from 3” to 14” diameter. Three slip body lengths are available. All Den-Con body segments are made from high-strength alloy steel for maximum strength and durability. Slips are available with inserts or circular buttons. Add “B” to assembly part numbers for buttons. Flex-handles are available. *Add “F” to assembly part number when ordering slips with Flex-handle.

Drill Collar Slips

Slip Type SDC UDC LDC
Slip Size & Range
(OD, Inches)
3 - 4 4 -
4 7/8
4 1/2 - 6 5 1/2 - 7 5 1/2 - 7 6 3/4 - 8 1/4 8 - 9 1/2 8 1/2 - 10 9 1/4 - 11 1/4* 11 - 12 3/4* 12 - 14*
P/N, Slip Complete w/o Inserts 3075 3075 3100 3100 3128 3128 3131 3134 3137 3140 3143
P/N, Slip Complete w/ Inserts 3101 3104 3129 3132 3135 3138 3141 3144

P/N, Slip Complete w/ Buttons

3077B

3080B

3101B

3104B

3153B

3129B

3132B

3135B

3138B

3141B

3144B

Weight, Complete w/ Inserts (lb.) 108 103 115 110 160 150 170 180 195 250 230
Total Number of Segments 7 7 9 9 11 11 12 13 14 17 17
Total Intermediate Segments 5 5 7 7 9 9 10 11 12 15 15
Total Number of Hinge Pins 6 6 8 8 10 10 11 12 13 16 16
Use in Insert Bowl No.

API or No. 33

No. 33

No. 32

No. 31

Parts List

Slip Type

SDC

UDC

LDC

DESCRIPTION

Part # Wt. lb. Part # Wt. lb. Part # Wt. lb.
Segment - Right 3081 11 3106 10 3146 12
Segment - Left 3082 11 3107 10 3147 12
Segment - Intermediate 3083 11 3108 10 3148 12
Hinge Pin w/ Cotter Key 3086 1 3086 1 3151 2
Steel Handle Pin w/ Washer & Cotter Key 3021 1/2 3021 1/2 3021 1/2
Steel Handle for Right & Left End Segments 3088 3 1/2 3088 3 1/2 3088 3 1/2
Steel Handle for Intermediate Segments 3089 4 3089 4 3089 4
Cotter Pin, die retainer 51435-12 A/R 51435-12 A/R 51435-12 A/R

Buttons & Inserts for Drill Collars

Slip Type

BUTTONS

INSERTS

Slip Size &
Drill Collar Range

Per Set

Each

Per Set

Each

Part # Wt. lb. Qty. Part # Wt. oz. Part # Wt. lb. Qty. Part # Weight
SDC 3” - 4” 2731-49 13 49 2731 4
SDC 4” - 4 7/8” 2727-49 8 49 2727 2
UDC 4 1/2” - 6” 2731-63 16 63 2731 4 3156-27 16 27 3156 9
UDC 5 1/2” - 7” 2727-63 11 63 2727 2 3158-27 8 27 3158 5
LDC 5 1/2” - 7” 2734-88 17 88 2734 3
LDC 6 3/4” - 8 1/4” 2732-88 15 88 2732 2 3157-33 11 33 3157 5
LDC 8” - 9 1/2” 2732-96 16 96 2732 2 3157-36 12 36 3157 5
LDC 8 1/2” - 10” 2730-104 26 104 2730 4 3161-39 26 39 3161 11
LDC 9 1/4” - 11 1/4” 2732-112 19 112 2732 2 3157-42 14 42 3157 5
LDC 11” - 12 3/4” 2728-136 26 136 2728 4 3163-51 36 51 3163 11
LDC 12” - 14” 2732-136 20 136 2732 2 3157-51 17 51 3157 5