IP Library Granted Patent US 11,542,792
Granted Patent B2
US 11,542,792 · App. 17/007,574 · Granted Jan 3, 2023

Tandem seal adapter for use with a wellbore tool, and wellbore tool string including a tandem seal adapter

Inventors: Frank Haron Preiss (Bonn, DE); Thilo Scharf (Letterkenny, IE); Liam McNelis (Bonn, DE); Eric Mulhern (Edmonton, CA); David C. Parks (Calgary, CA); Christian Eitschberger (Munich, DE)
Assignee: DynaEnergetics Europe GmbH
E21B43/1185E21B43/119E21B43/11855F42C19/06F42D1/02F42D1/04F42D1/043
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Quick Facts
Patent No.
US 11,542,792
App. No.
17/007,574
Granted
Jan 3, 2023
Kind
B2
Abstract

A tandem seal adapter (TSA) for use with a wellbore tool may include a TSA body including a first end and a second end opposite the first end in an axial direction, a bore extending through the TSA body from the first end to the second end, an electrical contact assembly provided within the bore, the electrical contact assembly being configured to provide electrical connectivity through the bore. The electrical contact assembly may include a bulkhead provided within the bore. An axial position of a maximum outer diameter of the TSA body may overlap with the bulkhead in the axial direction. A portion of the bore overlapping in the axial direction with an entirety of the TSA body having an outer diameter equal to the maximum outer diameter may have a constant bore diameter.

Claims (46)

1. A tandem seal adapter (TSA) for use with a wellbore tool, the TSA comprising:

a TSA body comprising a first end and a second end opposite the first end in an axial direction;

a bore extending through the TSA body from the first end to the second end; and

a bulkhead provided within the bore, the bulkhead being configured to provide electrical connectivity through the bore; wherein

a portion of the bore overlapping in the axial direction with an entirety of the TSA body having an outer diameter equal to a maximum outer diameter of the TSA body has a constant bore diameter, and

the bulkhead comprises:

an outer body in contact with the TSA body and sealingly received within the bore, wherein the outer body is non-conductive;

a first electrical contact extending from a first end of the outer body and in contact with the outer body; and

a second electrical contact opposite the first electrical contact in the axial direction;

wherein the first electrical contact is in electrical communication with the second electrical contact; and

an axial position of a portion of a maximum outer diameter region of the TSA body overlaps with the bulkhead in the axial direction.

2. The TSA of claim 1 , wherein a line from any point within the bore to any point radially outward from the TSA body overlapping in the axial direction with the TSA body intersects the TSA body.

3. The TSA of claim 1 , wherein the first electrical contact, the bore, and the TSA body are coaxial.

4. The TSA of claim 3 , wherein the second electrical contact is coaxial with the first contact, the bore, and the TSA body.

5. A tandem seal adapter (TSA) for use with a wellbore tool, the TSA comprising:

a TSA body comprising a first end and a second end opposite the first end in an axial direction;

a bore extending through the TSA body from the first end to the second end; and

a bulkhead provided within the bore, the bulkhead being configured to provide electrical connectivity through the bore; wherein

a portion of the bore overlapping in the axial direction with an entirety of the TSA body having an outer diameter equal to a maximum outer diameter of the TSA body has a constant bore diameter,

the bulkhead comprises:

an outer body in contact with the TSA body and sealingly received within the bore, wherein the outer body is non-, conductive;

a first electrical contact extending from a first end of the outer body and in contact with the outer body; and

a second electrical contact opposite the first electrical contact in the axial direction;

wherein the first electrical contact is in electrical communication with the second electrical contact; and

an axial position of a portion of a maximum outer diameter region of the TSA body overlaps with the outer body in the axial direction.

6. The TSA of claim 5 , wherein a line from any point within the bore to any point radially outward from the TSA body overlapping in the axial direction with the TSA body intersects the TSA body.

7. The TSA of claim 5 , wherein the first electrical contact, the bore, and the TSA body are coaxial.

8. The TSA of claim 7 , wherein the second electrical contact is coaxial with the first electrical contact, the bore, and the TSA body.

9. A wellbore tool string comprising:

a perforating gun comprising:

a housing having a first end and a second end;

a detonator; and

a shaped charge operably coupled to the detonator;

wherein the detonator, and the shaped charge are provided within the housing;

a tandem seal adapter (TSA) coupled to the first end of the perforating gun housing, the TSA comprising:

a TSA body comprising a first end and a second end opposite the first end in an axial direction;

a bore extending through the TSA body from the first end to the second end; and

a bulkhead provided within the bore, the bulkhead being configured to provide electrical connectivity through the bore; wherein

a portion of the bore overlapping in the axial direction with an entirety of the TSA body having an outer diameter equal to a maximum outer diameter of the TSA body has a constant bore diameter, and the bulkhead comprises:

an outer body in contact with the TSA body and sealingly received within the bore, wherein the outer body is a non-conductive;

a first electrical contact extending from a first end of the outer body and in contact with the other body; and

a second electrical contact opposite the first electrical the axial direction;

wherein the first contact in electrical communication with the second electrical contact; and

an axial position of a portion of a maximum outer diameter region of the TSA body overlaps with the bulkhead in the axial direction.

10. The wellbore tool string of claim 9 , wherein a line from any point within the bore to any point radially outward from the TSA body overlapping in the axial direction with the TSA body intersects the TSA body.

11. The wellbore tool string of claim 9 , wherein the first electrical contact, the bore, and the TSA body are coaxial.

Assignments (9)
CONFIRMATORY PATENT RIGHTS ASSIGNMENT Recorded Feb 20, 2025
From: SWM INTERNATIONAL LLC; JDP ENGINEERING & MACHINE INC.; PELICAN ENERGY PARTNERS III LP
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 070287/0448 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 11, 2021
From: EITSCHBERGER, CHRISTIAN
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 054872/0792 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 1, 2020
From: JDP ENGINEERING AND MACHINE INC
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 053658/0823 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 31, 2020
From: PREISS, FRANK H; MCNELIS, LIAM; SCHARF, THILO
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 053645/0992 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 31, 2020
From: PARKS, DAVID C
To: JDP ENGINEERING AND MACHINE INC
Reel/Frame 053646/0011 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 31, 2020
From: DYNAENERGETICS CANADA INC.
To: DYNAENERGETICS GMBH & CO. KG
Reel/Frame 053645/0983 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 31, 2020
From: DYNAENERGETICS GMBH & CO. KG
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 053649/0075 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 31, 2020
From: MULHERN, ERIC
To: DYNAENERGETICS CANADA INC.
Reel/Frame 053645/0979 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 31, 2020
From: JDP ENGINEERING AND MACHINE INC
To: DYNAENERGETICS EUROPE GMBH
Reel/Frame 053646/0155 →
Priority Claims (1)
CA 2821506 · Jul 18, 2013 · national
Continuity (8)
Continuation 16809729 · Mar 5, 2020
Continuation 16585790 · Sep 27, 2019
Continuation 16359540 · Mar 20, 2019
Continuation 15920812 · Mar 14, 2018
Continuation 15617344 · Jun 8, 2017
Division 15287309 · Oct 6, 2016
Division 14904788
Related Publication 20200399995A1 · Dec 24, 2020
Cited By (3)
US 1,082,873 US 12,338,718 US 12,385,369