Economical, tough, debris-free shaped charge device and perforating gun assembly employing same
阅读：751发布：2023-08-04
专利汇可以提供Economical, tough, debris-free shaped charge device and perforating gun assembly employing same专利检索，专利查询，专利分析的服务。并且A shaped charge device, and perforating gun assembly employing same, characterized by an economical case made of a thermosetting plastic containing a critical proportion of macerated material to induce a strength and toughness that enables resisting temperature, pressure, and impact deformation and breakage and invasion of fluids under conditions of use to depths in excess of 10,000 feet; yet that will disintegrate into small particles upon detonation, leaving no harmful debris in a well being perforated. Through the use of the plastic containing the critical proportion of macerated material, thicker case walls may be employed yet still obtain detonation therethrough. The critical thickness of walls adjoining a detonation means, and preferred construction features, plastics, and macerated materials are also disclosed.，下面是Economical, tough, debris-free shaped charge device and perforating gun assembly employing same专利的具体信息内容。
1. In a gun assembly for perforating a conduit in a well penetrating subterranean formations and adapted to fire shaped charge devices in response to a firing means, the improvement comprising: a. a plurality of lineal, rodlike members in spaced relationship and adapted to be lowered into said conduit, b. a plurality of shaped charge devices disposed in spaced apart relationship along said plurality of rodlike members; each comprising a case containing a shaped charge, said cases being formed of a frangible plastic containing about 20-40 percent by weight of a macerated filler material, being sealed to resist invasion of well fluids, and being shaped to resist deformation under temperature and pressure of well environment and fluids to depths in excess of 6,000 feet, and c. flexible lineal detonation means connected with said cases at the rear thereof for firing said shaped charges therewithin and connected with said firing means for initiating detonation of said detonation means.
2. The gun assembly of claim 1 wherein said case has a thickness adjacent said detonation means in the range of 0.060 - 0.095 inch.
3. The gun assembly of claim 1 wherein said case has a generally spherical external configuration to better resist deformation under said temperature and pressure.
4. The gun assembly of claim 1 wherein each case comprises two parts, one part having a shaped charge emplaced therein and each part having a recess for receiving each of said plurality of rodlike members, and said parts are sealingly bonded together about said shaped charge and said rodlike members.
5. The gun assembly of claim 1 wherein said frangible plastic is selected from the group consisting of phenol-hexamethylenetetramine copolymer and phenol-formaldehyde copolymer.
6. The gun assembly of claim 1 wherein said macerated filler material in said frangible plastic is selected from the group consisting of finely particulated cellulose fiber and wood flour.
7. The gun assembly of claim 6 wherein about 30 percent by weight of the macerated cellulose material is employed in a frangible thermosetting plastic.
8. The gun assembly of claim 1 wherein said frangible plastic is phenol-hexamethylenetetramine copolymer and it contains about 30 percent by weight of wood flour.
9. A shaped charge device comprising: a. a case comprised of a frangible plastic material containing about 24-40 percent by weight of a macerated filler material, being sealable to resist invasion of well fluids and being of sufficient thickness and shape to resist deformation under temperature and pressure of well environment and fluids to depths in excess of 6,000 feet and having an internal cavity adapted to receive an explosive shaped charge, said case having a rear end wall with an outer surface portion thereof adapted for securing detonation means thereon and an inner surface portion adjacent thereto and defining a thickness of said rear end wall between said surface portions in the range of 0.060 -0.095 inch; b. booster explosive material loosely disposed in said case contiguous said inner surface portion for boosting the force of said detonation means; c. explosive shaped charge disposed in said case and extending toward the rearward end of said internal cavity with the rearward end being disposed adjacent said booster explosive material in said case, and having a frustoconical metal liner secured at its forward end, said shaped charge having been compressed sufficiently to obtain the desired density and to retain the shape of said shaped charge; and d. sealing means sealing said shaped charge and said booster explosive powder within said case.
10. The shaped charge device of claim 9 wherein said case has a generally spherical external configuration to better resist deformation under said temperature and pressure.
11. The shaped charge device of claim 9 wherein said frangible plastic containing said macerated filler material has a flexural strength of at least 10,000 pounds per square inch (p.s.i.), a compressive strength of at least 28,000 p.s.i. and a minimum impact strength of 1.1 foot pounds per inch notch, side, on Izod impact test apparatus in accordance with ASTM test D256.
12. The shaped charge device of claim 9 wherein said frangible plastic is selected from the group consisting of phenol-hexamethylenetetramine copolymer and phenol-formaldehyde copolymer and acrylonitrile-butadiene-styrene copolymer.
13. The shaped charge device of claim 9 wherein said macerated filler material in said frangible plastic is selected from the group consisting of finely particulated cellulose fiber and wood flour.
14. The shaped charge device of claim 13 wherein about 30 percent by weight of the macerated cellulose material is employed in a frangible thermosetting plastic.
15. The shaped charge device of claim 9 wherein said frangible plastic is phenol-hexamethylene-tetramine copolymer and it contains about 30 percent by weight of wood flour.
16. The shaped charge device of claim 9 wherein said frangible plastic is selected from the group consisting of thermosetting plastic and thermoplastic plastic and said macerated filler material is selected from the group consisting of wood flour, cotton flock, fine mica flakes, and finely particulated nylon.
17. The shaped charge device of claim 16 wherein about 30 percent by weight of said macerated filler material is employed in said frangible plastic.
| 标题 | 发布/更新时间 | 阅读量 |
|---|---|---|
| 一种防火防爆耐磨地坪涂料的制备方法 | 2021-02-20 | 2 |
| 一种土石坝溃坝被动泄流抢险方法 | 2021-11-18 | 0 |
| 高压临氢碳钢阀门铸件制造工艺 | 2021-12-18 | 3 |
| 一种植物抗病诱抗剂及其应用 | 2020-05-17 | 1 |
| 转炉深度余热回收锅炉 | 2020-09-13 | 2 |
| 一种复合材质汽车发动机润滑油油底壳 | 2021-07-28 | 3 |
| CEMENT BASED LAMINATED ARMOR PANELS | 2022-01-04 | 2 |
| Blastproof hydraulic hardened body | 2021-10-29 | 2 |
| 一种军用车辆柔性防雷地板 | 2020-05-27 | 4 |
| BLAST RESISTANT STRUCTURES | 2021-07-08 | 3 |
高效检索全球专利专利汇是专利免费检索,专利查询,专利分析-国家发明专利查询检索分析平台，是提供专利分析，专利查询，专利检索等数据服务功能的知识产权数据服务商。
我们的产品包含105个国家的1.26亿组数据，免费查、免费专利分析。
分析报告
专利汇分析报告产品可以对行业情报数据进行梳理分析，涉及维度包括行业专利基本状况分析、地域分析、技术分析、发明人分析、申请人分析、专利权人分析、失效分析、核心专利分析、法律分析、研发重点分析、企业专利处境分析、技术处境分析、专利寿命分析、企业定位分析、引证分析等超过60个分析角度，系统通过AI智能系统对图表进行解读，只需1分钟，一键生成行业专利分析报告。
QQ群二维码
意见反馈
意见反馈