US2002129940A1PendingUtilityA1

High temperature explosives for downhole well applications

34
Priority: Dec 13, 2000Filed: Dec 13, 2000Published: Sep 19, 2002
Est. expiryDec 13, 2020(expired)· nominal 20-yr term from priority
Inventors:Wenbo YangRobert A. ParrottLawrence A. BehrmannWallace E. VoreckPhilip Kneisl
E21B 23/0411E21B 23/0414E21B 43/1193E21B 34/06C06B 25/04E21B 43/263E21B 29/02C06B 25/00E21B 43/116
34
PatentIndex Score
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Cited by
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Claims

Abstract

The present invention provides explosive compositions adapted for use in downhole well applications requiring high temperature explosives that may be exposed to elevated temperatures for extended periods of time.

Claims

exact text as granted — not AI-modified
We claim:  
     
         1 . Explosives for use in downhole well devices, comprising one or more identified high temperature downhole explosives.  
     
     
         2 . The explosives of  claim 1 , wherein the one or more identified high temperature downhole explosives comprise NONA.  
     
     
         3 . The explosives of  claim 1 , wherein the one or more identified high temperature downhole explosives are selected from NONA, PENCO, TNN, T-Tacot, ONT, and TPT.  
     
     
         4 . The explosives of  claim 1 , wherein the one or more identified high temperature downhole explosives are selected from PATO, BTX, TPM, ABH, DODECA, Z-Tacot, KHND, and TPB.  
     
     
         5 . The explosives of  claim 1 , wherein the one or more identified high temperature downhole explosives are selected from DIPAM, HNAB, bis-HNAB, HNBP, DPBT, DPPM, HNDS, and PADP-I.  
     
     
         6 . The explosives of  claim 1 , wherein the one or more identified high temperature downhole explosives are selected from NaTNC, HNBIB, TNC, DAT, DADNPO, ONM, ADNBF, DPO, and PIPA.  
     
     
         7 . The explosives of  claim 1 , further comprising one or more other explosive compounds.  
     
     
         8 . The explosives of  claim 7 , wherein the one or more other explosive compounds are selected from HNS, PYX, and HMX.  
     
     
         9 . The explosives of  claim 1 , further comprising one or more of an energetic material and a fuel.  
     
     
         10 . The explosives of  claim 1 , further comprising one or more of an energetic material and an oxidizer.  
     
     
         11 . The explosives of  claim 1 , wherein the downhole well devices are selected from perforating guns, perforating devices, tubing or casing cutters, tubing release mechanisms, fracing mechanisms, setting apparatus, explosively opening production valves, and downhole tool actuators.  
     
     
         12 . The explosives of  claim 1 , wherein the downhole well devices are part of a tool string.  
     
     
         13 . The explosives of  claim 1 , wherein the downhole well devices are shaped charges.  
     
     
         14 . The explosives of  claim 1 , wherein the one or more high temperature downhole explosives are used in the downhole well devices for explosive components selected from shaped charges, detonators, detonating cords, boosters, and primers.  
     
     
         15 . A downhole device having an explosive component, comprising: 
 one or more identified high temperature downhole explosives.    
     
     
         16 . The downhole device of  claim 15 , wherein the one or more identified high temperature downhole explosives comprise NONA.  
     
     
         17 . The downhole device of  claim 15 , wherein the one or more identified high temperature downhole explosives are selected from NONA, PENCO, TNN, T-Tacot, ONT, and TPT.  
     
     
         18 . The downhole device of  claim 15 , wherein the one or more identified high temperature downhole explosives are selected from PATO, BTX, TPM, ABH, DODECA, Z-Tacot, KHND, and TPB.  
     
     
         19 . The downhole device of  claim 15 , wherein the one or more identified high temperature downhole explosives are selected from DIPAM, HNAB, bis-HNAB, HNBP, DPBT, DPPM, HNDS, and PADP-I.  
     
     
         20 . The downhole device of  claim 15 , wherein the one or more identified high temperature downhole explosives are selected from NaTNC, HNBIB, TNC, DAT, DADNPO, ONM, ADNBF, DPO, and PIPA.  
     
     
         21 . The downhole device of  claim 15 , wherein the explosive component further comprises one or more other explosive compounds.  
     
     
         22 . The downhole device of  claim 21 , wherein the one or more other explosive compounds are selected from HNS, PYX, and HMx.  
     
     
         23 . The downhole device of  claim 15 , wherein the explosive component further comprises one or more of an energetic material and a fuel.  
     
     
         24 . The downhole device of  claim 15 , wherein the explosive component further comprises one or more of an energetic material and an oxidizer.  
     
     
         25 . The downhole device of  claim 15 , wherein the device is selected from perforating guns, perforating devices, tubing or casing cutters, tubing release mechanisms, fracing mechanisms, setting apparatus, explosively opening production valves, and downhole tool actuators.  
     
     
         26 . The downhole device of  claim 15 , wherein the device is part of a tool string.  
     
     
         27 . The downhole device of  claim 15 , wherein the explosive component is selected from shaped charges, detonators, detonating cords, boosters, and primers.  
     
     
         28 . A shaped charge made by a process, comprising: 
 (a) inserting a main body of explosive into a case, the main body of explosive comprising one or more identified high temperature downhole explosives; and    (b) inserting a liner over the main body of explosive.    
     
     
         29 . The shaped charge made by the process of  claim 28 , wherein the one or more defined high temperature downhole explosives comprise NONA.  
     
     
         30 . The shaped charge made by the process of  claim 28 , wherein the one or more identified high temperature downhole explosives are selected from NONA, PENCO, TNN, T-Tacot, ONT, and TPT.  
     
     
         31 . The shaped charge made by the process of  claim 28 , wherein the one or more identified high temperature downhole explosives are selected from PATO, BTX, TPM, ABH, DODECA, Z-Tacot, KHND, and TPB.  
     
     
         32 . The shaped charge made by the process of  claim 28 , wherein the one or more identified high temperature downhole explosives are selected from DIPAM, HNAB, bis-HNAB, HNBP, DPBT, DPPM, HNDS, and PADP-I.  
     
     
         33 . The shaped charge made by the process of  claim 28 , wherein the one or more identified high temperature downhole explosives are selected from NaTNC, HNBIB, TNC, DAT, DADNPO, ONM, ADNBF, DPO, and PIPA.  
     
     
         34 . The shaped charge made by the process of  claim 28 , wherein the main body of explosives further comprises one or more other explosive compounds.  
     
     
         35 . The shaped charge of  claim 34 , wherein the one or more other explosive compounds are selected from HNS, PYX, and HMX.  
     
     
         36 . The shaped charge made by the process of  claim 28 , wherein the main body of explosives further comprises one or more of an energetic material and a fuel.  
     
     
         37 . The shaped charge made by the process of  claim 28 , further comprising a primer inserted into the case adapted for detonating the main body of explosive.  
     
     
         38 . The shaped charge of  claim 37 , wherein the primer comprises NONA.  
     
     
         39 . The shaped charge of  claim 37 , wherein the primer comprises one or more identified high temperature downhole explosives.  
     
     
         40 . The shaped charge of  claim 37 , wherein the primer is an explosive compound more sensitive than the one or more identified high temperature downhole explosives.  
     
     
         41 . A method of using one or more high temperature downhole explosives in a well, the method comprising: 
 (a) providing a downhole device having one or more identified high temperature downhole explosives.    (b) conveying the downhole device into the well.    
     
     
         42 . The method of  claim 41 , wherein the identified high temperature downhole explosives comprise NONA.  
     
     
         43 . The method of  claim 41 , wherein the one or more identified high temperature downhole explosives are selected from NONA, PENCO, TNN, T-Tacot, ONT, and TPT.  
     
     
         44 . The method of  claim 41 , wherein the one or more identified high temperature downhole explosives are selected from PATO, BTX, TPM, ABH, DODECA, Z-Tacot, KHND, and TPB.  
     
     
         45 . The method of  claim 41 , wherein the one or more identified high temperature downhole explosives are selected from DIPAM, HNAB, bis-HNAB, HNBP, DPBT, DPPM, HNDS, and PADP-I.  
     
     
         46 . The method of  claim 41 , wherein the one or more identified high temperature downhole explosives are selected from NaTNC, HNBIB, TNC, DAT, DADNPO, ONM, ADNBF, DPO, and PIPA.  
     
     
         47 . The method of  claim 41 , further comprising the step of combining the one or more identified high temperature downhole explosives with matter selected from one or more other explosives and one or more of an energetic material and a fuel.

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