Patents
US 10364387 B2: Subterranean formation shock fracturing charge delivery system
- Granted
- 2019-07-30
- Filed
- 2017-07-28 application 15663459
- Type
- Utility · 45 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
This invention is a subterranean (non-hydraulic) shock fracturing system and process for fracturing oil and gas bearing formations. The system delivers small amounts of precisely placed explosive charges into the formation. These charges produce large diameter deep penetrations and by coupling to the rock concussively fracture the formation in the vicinity increasing permeability in the rock or strata. Shock fracturing (SF) is far more efficient than hydraulic fracturing (HF), SF fractures radially across all strata and leaves no part of the volume addressed un-permeated. The objective of the system is to efficiently increase permeability of the formation by directionally controlled concussive shattering of the rock around the epicenter of the detonation of the explosive charge deposited in the formation. This invention makes possible the delivery of measured quantities of explosive deep into a subterranean oil or gas bearing formation and detonate said explosive in order to fracture the formation in the local vicinity.
Source: PVGPATDIS, file of 2026-04-10 (ipg190730.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Innovative Defense, LLC 10 patents | US company or organization | Smithville, TX | INNOVATIVE DEFENSE, LLC State business registration EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Nicholas Collier | Smithville, TX | 15 | PVGPATDIS, file of 2026-04-10 | |
| David Shawn Flatt | Forney, TX | 4 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| C09K | Materials for miscellaneous applications, not provided for elsewhere | C09K8/62 | PVGPATDIS, file of 2026-04-10 |
| E21B | Earth or rock drilling; obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells | E21B43/117 | PVGPATDIS, file of 2026-04-10 |
| F42B | Explosive charges, e.g. for blasting, fireworks, ammunition | F42B1/02 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2017-08-22 | Assignment Assignment of assignor's interest | COLLIER, NICHOLAS signed 2017-08-17 FLATT, DAVID SHAWN signed 2017-08-17 | INNOVATIVE DEFENSE, LLC SMITHVILLE, TX | 43355/813 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.