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Home » Products » Down Hole Equipment Systems » Bumper Spring / Collar Lock

Bumper Spring/Collar Lock

Calculated spring force
One-piece assembly
Installed via wireline
Spring permanently attached
May be installed in any collar gap

APPLICATION:
Installed inside the tubing string in tubing that is "collared". Must be set with wireline. Collar lock is set in the collar gap between the ends of two pieces of tubing.

FEATURES:
One-piece construction permits ease of installation and retrieval. Collar lock, fishing neck and bumper spring are all included in this unit.

BENEFITS/ADVANTAGES:
Installed via wireline. Can be set in a single trip and retrieved in a single trip. Permanently attached, the spring cannot travel up behind the plunger.

SPECIFICATIONS:

Download Spec Sheet

Engineering Data	Bumper Spring/Collar Lock
	1 1/4"	1 1/2"	2 1/16"	2 3/8"	2 7/8"	3 1/2"
Maximum O.D.				2.322"	2.845"	3.411"
Minimum O.D.				1.750"	2.215"	2.864"
Maximum Length				21.500"	21.500"	23.250"
Fishing Neck Size				1.375"	1.375"	1.750"
Weight				9 lbs	10 lbs	18 lbs

Bumper Spring Collar Lock

Other Down Hole Equipment Products
Bumper Spring/Standing Valve | Bumper Spring/Tubing Stop | Bumper Spring w/Collet Latch