# US 10,480,301 B2 · Multi-phasic explosive fracturing system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,480,301 B2 - Document ID: US10480301B2 - Status: Granted - Kind: B2 - Application number: 15/316,616 - Filed: 2015-06-25 - Published: 2017-07-13 - Granted: 2019-11-19 - Earliest claimed: 2014-06-25 - Assignees: Triad National Security, LLC - Applicants: Los Alamos National Security, LLC - Inventors: Jonathan Lee Mace; Bryce C. Tappan; Lawrence E. Bronisz; Jonathan Morgan; Patrick Bowden; Daniel Preston; Gerald J. Seitz; Nathaniel Morgan - Web page: https://patentgrep.com/patent/US10480301B2 ## CPC - E21B 43/263: using explosives - E21B 43/248: using explosives - F42D 1/00: Blasting methods or apparatus, e.g. loading or tamping - F42D 1/02: Arranging blasting cartridges to form an assembly (adaptation of blasting cartridges therefor F42B3/02) - F42D 1/10: Feeding explosives in granular or slurry form; Feeding explosives by pneumatic or hydraulic pressure - E21B 34/06: in wells - F42D 1/045: Arrangements for electric ignition (dynamo-electric generators H02K) - F42D 1/08: Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor - E21B: EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS - F42D: BLASTING (fuses, e.g. fuse cords, C06C5/00; {for obtaining fluid from wells E21B43/00; for mining or quarrying E21C37/00; for making tunnels or galleries E21D9/006}; cartridges F42B3/00) ## Abstract Disclosed herein are embodiments of precursor components (or compositions thereof) that can be combined with one or more additional components (or compositions thereof) to form an explosive composition. The disclosed precursor components (or compositions thereof) can be handled and transported safely to a particular location where they can be mixed with liquid fuel to form an explosive composition. In particular disclosed embodiments, the precursor components (or compositions thereof) can comprise, consist essentially of, or consist of an oxidizer component, a metal component, or combinations thereof. ## Claims ### Claim 1 A down hole modular rock fracturing system comprising: one or more multiphase explosive containers comprising a precursor composition located down hole; one or more liquid supply containers comprising liquid fuel; one or more venting containers; liquid supply pipes connecting the liquid supply containers to the multiphase explosive containers; a remote valve or pump located in the liquid supply pipes between the liquid supply containers and the explosive containers thereby separating the liquid fuel from the precursor composition; a vent pipe connecting the multiphase explosive containers to the venting containers; and a control cable connected to the remote valve or pump, wherein the remote valve is configured to be opened or the pump activated at a signal from the control cable and wherein when the valve is opened or the pump is activated, the liquid fuel moves through the liquid supply pipes into the multiphase explosive containers thereby creating an explosive composition; wherein at least two of the multiphase explosive containers, liquid supply containers, and venting containers are located below ground and are mechanically coupled together downhole with a mechanical container coupling or are internally coupled together with an interior sealing spool. ### Claim 2 (depends on 1) The system of claim 1, wherein the precursor composition comprises an oxidizer, a metal, or a combination thereof. ### Claim 3 (depends on 1) The system of claim 1, wherein the explosive composition comprises an energy density once detonated from 4 kJ/cc to 17 kJ/cc. ### Claim 4 (depends on 1) The system of claim 1, wherein the one or more liquid supply containers and the one or more venting containers are located above ground. ### Claim 5 (depends on 1) The system of claim 1, wherein the one or more liquid supply containers and the one or more venting containers are located below ground. ### Claim 6 (depends on 1) The system of claim 1, wherein one or more of the multiphase explosive containers is cylindrical and comprises: a cylindrical outer casing; a cylindrical intermediate shell; and a cylindrical central shell; wherein precursor composition is located in the annular space between the outer casing and the intermediate shell and wherein the intermediate shell and central shell comprise fill holes; and wherein the central shell is connected to the liquid supply pipes. ### Claim 7 (depends on 1) The system of claim 1, wherein one or more of the multiphase explosive containers is cylindrical and comprises: an outer casing; an internal perforated vent pipe connected to the vent pipe; a perforated liquid supply pipe connected to the supply pipe; and a precursor composition; wherein when the multiphase explosive container is angled horizontally, the internal liquid supply pipe is located at the bottom of the container and the internal vent pipe is located at the top of the container such that liquid running through the internal liquid supply pipe exits through the perforations in the internal perforated liquid supply pipe, fills the container, and exits through the internal vent pipe. ### Claim 8 (depends on 1) The system of claim 1, wherein two or more of the explosive containers, liquid supply containers, and venting containers located down hole are mechanically coupled together with a mechanical container coupling. ### Claim 9 (depends on 8) The system of claim 8, wherein the mechanical container coupling is a split clamp. ### Claim 10 (depends on 9) The system of claim 9, wherein the split clamp comprises a plurality of engaging tooth features located between the split clamp and the exterior of the container, and wherein when mated, a clearance gap is achieved between the engaging teeth to allow for angular misalignment of container central axis. ### Claim 11 (depends on 10) The system of claim 10, wherein the clearance gap between mating teeth is greater than 0.015 inches. ### Claim 12 (depends on 1) The system of claim 1, wherein at least two of the explosive containers, liquid supply containers, and venting containers located down hole are internally coupled together with an interior sealing spool. ### Claim 13 (depends on 12) The system of claim 12, wherein the interior sealing spool additionally comprises O-rings, x-rings, or combinations thereof. ### Claim 14 (depends on 1) The system of claim 1, wherein the first multiphase container comprises an inner extension portion comprising at least one sealing channel and at least one locking channel and the second multiphase container comprises at least one outer extension portion configured to interlock with the inner extension portion of the first container and comprises at least one sealing channel and at least one locking channel, wherein the sealing and locking channels of the inner and outer extension portions overlay one another and wherein the sealing channel comprises an o-ring and the locking channel comprises rigid locking tape. ### Claim 15 A down hole modular rock fracturing system comprising: one or more multiphase explosive containers comprising a precursor composition located down hole; one or more liquid supply containers comprising liquid fuel; one or more venting containers; liquid supply pipes connecting the liquid supply containers to the multiphase explosive containers; a remote valve or pump located in the liquid supply pipes between the liquid supply containers and the explosive containers thereby separating the liquid fuel from the precursor composition; a vent pipe connecting the multiphase explosive containers to the venting containers; and a control cable connected to the remote valve or pump, wherein the remote valve is configured to be opened or the pump activated at a signal from the control cable and wherein when the valve is opened or the pump is activated, the liquid fuel moves through the liquid supply pipes into the multiphase explosive containers thereby creating an explosive composition; wherein one or more of the multiphase explosive containers is cylindrical and comprises: a cylindrical outer casing; a cylindrical intermediate shell; and a cylindrical central shell; wherein precursor composition is located in the annular space between the outer casing and the intermediate shell and wherein the intermediate shell and central shell comprise fill holes; and wherein the central shell is connected to the liquid supply pipes. ### Claim 16 (depends on 15) The system of claim 15, wherein the precursor composition comprises an oxidizer, a metal, or a combination thereof. ### Claim 17 (depends on 15) The system of claim 15, wherein the explosive composition comprises an energy density once detonated from 4 kJ/cc to 17 kJ/cc. ### Claim 18 A down hole modular rock fracturing system comprising: one or more multiphase explosive containers comprising a precursor composition located down hole; one or more liquid supply containers comprising liquid fuel; one or more venting containers; liquid supply pipes connecting the liquid supply containers to the multiphase explosive containers; a remote valve or pump located in the liquid supply pipes between the liquid supply containers and the explosive containers thereby separating the liquid fuel from the precursor composition; a vent pipe connecting the multiphase explosive containers to the venting containers; and a control cable connected to the remote valve or pump, wherein the remote valve is configured to be opened or the pump activated at a signal from the control cable and wherein when the valve is opened or the pump is activated, the liquid fuel moves through the liquid supply pipes into the multiphase explosive containers thereby creating an explosive composition; wherein one or more of the multiphase explosive containers is cylindrical and comprises: an outer casing; an internal perforated vent pipe connected to the vent pipe; a perforated liquid supply pipe connected to the supply pipe; and a precursor composition; wherein when the multiphase explosive container is angled horizontally, the internal liquid supply pipe is located at the bottom of the container and the internal vent pipe is located at the top of the container such that liquid running through the internal liquid supply pipe exits through the perforations in the internal perforated liquid supply pipe, fills the container, and exits through the internal vent pipe. ### Claim 19 (depends on 18) The system of claim 18, wherein the precursor composition comprises an oxidizer, a metal, or a combination thereof. ### Claim 20 (depends on 18) The system of claim 18, wherein the explosive composition comprises an energy density once detonated from 4 kJ/cc to 17 kJ/cc.