US 10,704,340 B2Granted

Vibration dampener

AssigneeExtensive Energy Technologies Partnership

InventorsF. Dale Pratt, Kenneth A. Lambe, Doru Gorzo

Life of this patent

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Abstract

A dampener device configured for incorporation into a downhole tool in a drilling system for absorbing axial, lateral and torsional shocks and vibrations to protect instrumentation during a drilling process includes a main sleeve having a main cavity containing a main spring and a first elastomeric ribbon interleaved between coils of the main spring. An adapter is connected to or formed monolithically relative to the main sleeve. The adapter is configured for connection to a first tool component. A plunger is configured to compress the main spring and a connector is configured for connection to a second tool component. The connector is attached to or formed monolithically relative to the plunger. A shaft extends between the adapter and the connector. The shaft is provided with an anti-rotation structure.

Claims20

Dependent claims

A dampener device configured for incorporation into a downhole tool in a drilling system, the device for absorbing axial, lateral and torsional shocks and vibrations to protect instrumentation during a drilling process, the device comprising:

a) a main sleeve having a main cavity containing a main spring;
b) an adapter connected to or formed monolithically relative to the main sleeve, the adapter configured for connection to a first tool component;
c) a plunger configured to compress the main spring;
d) a connector configured for connection to a second tool component, the connector attached to or formed monolithically relative to the plunger;
and
e) a shaft extending between the adapter and the connector, the shaft provided with an anti-rotation structure
wherein the main spring is captured within the main cavity with attachment of a first end of the main spring to an inner end of the plunger and attachment of a second end of the main spring to an inner end of the adapter, thereby providing the captured main spring with resistance against both compression and extension.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/521,014Filed 24 Jul 2019 · division
Priority: 11 May 2016
Published: US 2019/0345778 A114 Nov 2019
Granted: 7 Jul 2020
Term ends: Not estimatedThe source records don’t support an estimate.

Classification7 codes

E21B 17/07
Between rod or the like and bit or between rod and rod or the like: telescoping joints for varying drill string lengths; Shock absorbers
E21B 21/08
Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor: controlling or monitoring pressure or flow of drilling fluid,…
E21B 47/017
Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against…
E21B 47/18
Using acoustic waves: through the well fluid , e.g. mud pressure pulse telemetry

Family

Application62/334,863Us provisional application · filed 11 May 2016
Application15/590,773Parent of this division · filed 9 May 2017
US 2019/0345778 A1Pre-grant publication · published 14 Nov 2019
US 10,407,999 B2Parent of this division
US 2017/0328142 A1Published application
US 10,704,340 B2This patent

From the US filing history. Foreign family members aren’t listed.