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US 12,723,494 B2Granted
Perforating gun assembly with performance optimized shaped charge load
AssigneeDynaEnergetics Europe GmbH
InventorsChristian Eitschberger, Liam McNelis, Thilo Scharf
Life of this patent
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Abstract
A perforating gun assembly is configured for use in unconventional wells, for example in rock formations with low permeability. The perforating gun assembly includes a perforating gun housing and a shaped charge positioned in the perforating gun housing. The shaped charge and the perforating gun housing are configured to improve total target penetration in unconventional wells by 20-100%.
Claims17
A perforating gun assembly comprising:
- a perforating gun housing comprising steel and having an outer diameter from 3.35 inches to 3.75 inches;
- and
- at least one shaped charge positioned in the perforating gun housing, each shaped charge of the at least one shaped charge comprising an explosive load having a weight greater than 22.7 grams;
- wherein the shaped charge is open ended.
1 more element
A perforating gun assembly, comprising:
- a perforating gun housing comprising steel and having an inner diameter from 2.6 inches to 2.9 inches and a wall thickness from 0.3375 inches to 0.4125 inches;
- and
- a shaped charge positioned in the perforating gun housing and including an explosive load having a weight greater than 22.7 grams;
- wherein the shaped charge case has an open end that faces a wall of the perforating gun housing.
1 more element
A method of perforating a wellbore, the method comprising:
- positioning a perforating gun assembly in a section of a wellbore, the perforating gun assembly comprising:
- a perforating gun housing comprising steel and having an outer diameter from 3.35 inches to 3.75 inches, and
- a shaped charge positioned in the perforating gun housing, the shaped charge including an explosive load having a weight greater than 22.7 grams;
- and
- detonating the shaped charge to form a perforation tunnel in the wellbore;
- wherein the shaped charge is open ended.
3 more elements
Dependencies are inferred from the claim text.