SHANDONG SAIGAO GROUP CORPORATION
SHANDONG SAIGAO GROUP CORPORATION
Surface Bumper Jar

Surface Bumper Jar

Surface bumper jar is releasing stuck for downhole tools on the ground, It apply to release stuck which need downward jarring like key slot, shrink neck, fall off block, sticking to suck, etc. it also can relieve downhole fishing tools. Surface bumper jar is working on wellhead, no matter what part was stuck of drill stem, slips downhole tools stuck, fishing tools stuck, or testing, well repairing, well washing tools stuck, it all can use surface bumper jar to release stuck. DX surface bumper jar is a new type mechanical surface bumper jar, it overcome its former friction type's defect like slips easy to bum, adjusting not exact, it can adjust jarring release force at any time, and easy, exact, stable to adjust.


Technical Specification of Surface Bumper Jar

Model

OD

ID

Max. Stroke

Torsional Limited

Max. Tensile Load

Working

lemperature

OAL

Connection

mm (inch)

mm (inch)

mm (inch)

KN-m (lbf-ft)

KN(lbf)

°C

mm (ft)

DX178

178 ⑺

48 (1-7/8)

2000

(78-3/4)

18

(14,000)

2400

(540,000)

・40〜120

4150

(13.6)

NC50


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sales@saigaogroup.com susan@saigaogroup.com
+86-531-69959201
lqg18653457231
+86 18653457231
Zhongrun Century Center, No 12111,Jingshi Road, Lixia District, Jinan City, Shandong Province. P.R. China