Shaped charge liner comprised of reactive materials
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F42B-001/032
E21B-043/117
출원번호
US-0720522
(2010-03-09)
등록번호
US-8381652
(2013-02-26)
발명자
/ 주소
Glenn, Corbin S.
출원인 / 주소
Halliburton Energy Services, Inc.
인용정보
피인용 횟수 :
16인용 특허 :
37
초록▼
A shaped charge liner is provided. The shaped charge liner comprises a first material denser than 10 grams per cubic centimeter (g/cc) and a reactive material. The first material is concentrated in a middle of the liner and decreased in at least one of an apex and a skirt of the liner, and the react
A shaped charge liner is provided. The shaped charge liner comprises a first material denser than 10 grams per cubic centimeter (g/cc) and a reactive material. The first material is concentrated in a middle of the liner and decreased in at least one of an apex and a skirt of the liner, and the reactive material is concentrated in at least one of the apex and the skirt of the liner and decreased in the middle of the liner.
대표청구항▼
1. A shaped charge liner, comprising: an apex portion;a skirt portion;a middle band disposed between the apex portion and the skirt portion;a first material denser than 10 grams per cubic centimeter (g/cc); anda reactive material,wherein the first material is concentrated in the middle band of the s
1. A shaped charge liner, comprising: an apex portion;a skirt portion;a middle band disposed between the apex portion and the skirt portion;a first material denser than 10 grams per cubic centimeter (g/cc); anda reactive material,wherein the first material is concentrated in the middle band of the shaped charge liner and decreased in at least one of the apex portion or the skirt portion, and wherein the reactive material is concentrated in at least one of the apex portion or the skirt portion and decreased in the middle band of the shaped charge liner. 2. The shaped charge liner of claim 1, wherein the reactive material comprises two complementary reactive materials. 3. The shaped charge liner of claim 1, wherein the first material is decreased in both the apex portion and the skirt portion. 4. The shaped charge liner of claim 1, wherein the reactive material is concentrated in both the apex portion and the skirt portion. 5. The shaped charge liner of claim 1, wherein the reactive material comprises a first complementary reactive material that comprises a metal and a second complementary reactive material that comprises at least one of a metal or a metal oxide. 6. The shaped charge liner of claim 1, wherein the reactive material comprises nickel paired with aluminum, tantalum paired with aluminum, tantalum paired with iron oxide, tantalum paired with copper oxide, tantalum paired with tungsten dioxide, or niobium paired with lead oxide. 7. The shaped charge liner of claim 1, wherein the first material comprises tungsten, tantalum, or depleted uranium. 8. The shaped charge liner of claim 1, wherein the shaped charge liner comprises an interior layer comprised of the first material and an exterior layer comprised of the reactive material, wherein the interior layer is thicker than the exterior layer in the middle band of the shaped charge liner and the interior layer is thinner than the exterior layer in at least one of the skirt portion or the apex portion. 9. The shaped charge liner of claim 1, wherein the shaped charge liner comprises an interior layer comprised of the reactive material and an exterior layer comprised of the first material, wherein the exterior layer is thicker than the interior layer in the middle band of the shaped charge liner and the exterior layer is thinner than the interior layer in at least one of the skirt portion or the apex portion. 10. The shaped charge liner of claim 1, wherein the first material comprises tantalum and tungsten dioxide. 11. The shaped charge liner of claim 1, wherein the first material comprises tantalum and wherein the first material further comprises tungsten dioxide in at least one of the skirt portion or the apex portion. 12. A downhole perforation tool, comprising: a plurality of shaped explosive charges, wherein the shaped explosive charges comprise a shaped charge defining a cup and a shaped charge liner fitting inside the cup defined by the shaped explosive charge, wherein the shaped charge liner is comprised of a first material denser than 10 grams per cubic centimeter (g/cc) and a reactive material, wherein the first material is concentrated in a middle band of the shaped charge liner and decreased in at least one of an apex portion of the shaped charge liner or skirt portion of the shaped charge liner, and wherein the reactive material is concentrated in at least one of the apex portion of the shaped charge liner or the skirt portion of the shaped charge liner and decreased in the middle band of the shaped charge liner. 13. The downhole perforation tool of claim 12, wherein the shaped charge liner comprises an interior layer comprised of the first material and an exterior layer comprised of the reactive material, wherein the interior layer is thicker than the exterior layer in the middle band of the shaped charge liner and the interior layer is thinner than the exterior layer in at least one of the skirt portion of the shaped charge liner or the apex portion of the shaped charge liner. 14. The downhole perforation tool of claim 12, wherein the middle band of the shaped charge liner comprises the first material and substantially none of the reactive material, wherein at least one of the skirt portion of the shaped charge liner or the apex portion of the shaped charge liner comprises the reactive material and substantially none of the first material. 15. The shaped charge liner of claim 1, wherein the middle band comprises about one-third of the shaped charge liner. 16. The shaped charge liner of claim 1, wherein the middle band comprises about one-half of the shaped charge liner. 17. The shaped charge liner of claim 1, wherein the middle band comprises about two-fifths of the shaped charge liner. 18. The shaped charge liner of claim 1, wherein a ratio of the first material to the reactive material in the middle band is greater than a ratio of the first material to the reactive material in the apex portion. 19. The shaped charge liner of claim 1, wherein a ratio of the first material to the reactive material in the middle band is greater than a ratio of the first material to the reactive material in the skirt portion. 20. The downhole perforation tool of claim 12, wherein the middle band comprises from about one-third to about one-half of the shaped charge liner.
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