Pulling tool

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United States of America

PATENT NO 11970918
APP PUB NO 20230235637A1
SERIAL NO

18007941

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The present invention concerns a drive module (10′, 10″, 10″′, 10″″) for a wellbore tractor (1). Each drive module (10′, 10″, 10″′, 10″″) comprises a drive module housing (13) and a hydraulically actuated and pivoting drive unit (11) comprising an arm housing (11′) and two drive wheels (12′, 12″) arranged thereto. The drive wheels (12′, 12″) are driven by a motor (16) mounted inside the arm housing (11′). The drive wheels (12′, 12″) are drivingly connected to the motor (16) via a drive line comprising a worm gear drive arrangement (14). The invention teaches also a wellbore tractor (1) comprising at least one of said drive modules (10′, 10″, 10″′, 10″″).

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First Claim

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Patent Owner(s)

  • WELL INNOVATION AS

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akselberg, Frank Ove Sandnes, NO 1 0

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Oct 30, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Oct 30, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Oct 30, 2035
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Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00