Search

Robert R. Koehler

Examiner (ID: 149)

Most Active Art Unit
1775
Art Unit(s)
1742, 1775, 1734
Total Applications
589
Issued Applications
522
Pending Applications
29
Abandoned Applications
38

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16575967 [patent_doc_number] => 20210010368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-14 [patent_title] => METHOD AND APPARATUS FOR DETERMINING OIL-GAS-WATER INTERFACE BASED ON FORMATION PRESSURE EQUIVALENT DENSITY [patent_app_type] => utility [patent_app_number] => 16/830723 [patent_app_country] => US [patent_app_date] => 2020-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5032 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16830723 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/830723
Method and apparatus for determining oil-gas-water interface based on formation pressure equivalent density Mar 25, 2020 Issued
Array ( [id] => 17604186 [patent_doc_number] => 11332658 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-17 [patent_title] => Stimulation of wells in nano-darcy shale formations [patent_app_type] => utility [patent_app_number] => 16/831444 [patent_app_country] => US [patent_app_date] => 2020-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8650 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16831444 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/831444
Stimulation of wells in nano-darcy shale formations Mar 25, 2020 Issued
Array ( [id] => 18854419 [patent_doc_number] => 11851983 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Rupture apparatus [patent_app_type] => utility [patent_app_number] => 17/593384 [patent_app_country] => US [patent_app_date] => 2020-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 8193 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17593384 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/593384
Rupture apparatus Mar 15, 2020 Issued
Array ( [id] => 17098136 [patent_doc_number] => 20210285927 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-16 [patent_title] => QUANTIFYING OPERATIONAL INEFFICIENCIES UTILIZING NATURAL GASSES AND STABLE ISOTOPES [patent_app_type] => utility [patent_app_number] => 16/819793 [patent_app_country] => US [patent_app_date] => 2020-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6445 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16819793 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/819793
Quantifying operational inefficiencies utilizing natural gasses and stable isotopes Mar 15, 2020 Issued
Array ( [id] => 17453171 [patent_doc_number] => 11268017 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-08 [patent_title] => Systems, methods, and compositions for reservoir stimulation treatment diversion using thermochemicals [patent_app_type] => utility [patent_app_number] => 16/817305 [patent_app_country] => US [patent_app_date] => 2020-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 7181 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16817305 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/817305
Systems, methods, and compositions for reservoir stimulation treatment diversion using thermochemicals Mar 11, 2020 Issued
Array ( [id] => 17097531 [patent_doc_number] => 20210285322 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-16 [patent_title] => Using Fiber-Optic Distributed Sensing to Optimize Well Spacing and Completion Designs for Unconventional Reservoirs [patent_app_type] => utility [patent_app_number] => 16/815558 [patent_app_country] => US [patent_app_date] => 2020-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4103 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16815558 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/815558
Using fiber-optic distributed sensing to optimize well spacing and completion designs for unconventional reservoirs Mar 10, 2020 Issued
Array ( [id] => 17082766 [patent_doc_number] => 20210277772 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-09 [patent_title] => CALCULATING ENERGY BASED NET PRESSURE AND CORRESPONDING DISCHARGE AREA OBSERVED DURING HYDRAULIC STIMULATION PROCESSES [patent_app_type] => utility [patent_app_number] => 16/809379 [patent_app_country] => US [patent_app_date] => 2020-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9085 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16809379 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/809379
Calculating energy based net pressure and corresponding discharge area observed during hydraulic stimulation processes Mar 3, 2020 Issued
Array ( [id] => 16091965 [patent_doc_number] => 20200199969 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-25 [patent_title] => LOW FLUID LEVEL VALVE [patent_app_type] => utility [patent_app_number] => 16/809331 [patent_app_country] => US [patent_app_date] => 2020-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3388 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 345 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16809331 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/809331
Low fluid level valve Mar 3, 2020 Issued
Array ( [id] => 17421706 [patent_doc_number] => 11255151 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-22 [patent_title] => Flapper on frac plug that allows pumping down a new plug [patent_app_type] => utility [patent_app_number] => 16/800358 [patent_app_country] => US [patent_app_date] => 2020-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 29 [patent_no_of_words] => 22806 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16800358 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/800358
Flapper on frac plug that allows pumping down a new plug Feb 24, 2020 Issued
Array ( [id] => 16014363 [patent_doc_number] => 20200182024 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-11 [patent_title] => LINER INSTALLATION WITH INFLATABLE PACKER [patent_app_type] => utility [patent_app_number] => 16/795063 [patent_app_country] => US [patent_app_date] => 2020-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9628 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16795063 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/795063
Liner installation with inflatable packer Feb 18, 2020 Issued
Array ( [id] => 17037476 [patent_doc_number] => 20210254434 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => OIL WELL FLOWBACK WITH ZERO OUTFLOW [patent_app_type] => utility [patent_app_number] => 16/791403 [patent_app_country] => US [patent_app_date] => 2020-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7168 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16791403 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/791403
Oil well flowback with zero outflow Feb 13, 2020 Issued
Array ( [id] => 17037653 [patent_doc_number] => 20210254611 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => Pump Valve Assembly [patent_app_type] => utility [patent_app_number] => 16/791479 [patent_app_country] => US [patent_app_date] => 2020-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22040 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16791479 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/791479
Pump valve assembly Feb 13, 2020 Issued
Array ( [id] => 17135312 [patent_doc_number] => 11136858 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-05 [patent_title] => Methods and systems for packing extended reach wells using inflow control devices [patent_app_type] => utility [patent_app_number] => 16/778719 [patent_app_country] => US [patent_app_date] => 2020-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8329 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16778719 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/778719
Methods and systems for packing extended reach wells using inflow control devices Jan 30, 2020 Issued
Array ( [id] => 15963509 [patent_doc_number] => 20200165506 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-28 [patent_title] => DRILLING FLUID FOR DOWNHOLE ELECTROCRUSHING DRILLING [patent_app_type] => utility [patent_app_number] => 16/777179 [patent_app_country] => US [patent_app_date] => 2020-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6554 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16777179 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/777179
Drilling fluid for downhole electrocrushing drilling Jan 29, 2020 Issued
Array ( [id] => 16992527 [patent_doc_number] => 20210230947 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => COMPLETION SYSTEMS AND METHODS TO PERFORM COMPLETION OPERATIONS [patent_app_type] => utility [patent_app_number] => 16/776298 [patent_app_country] => US [patent_app_date] => 2020-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9548 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16776298 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/776298
Completion systems and methods to perform completion operations Jan 28, 2020 Issued
Array ( [id] => 15932599 [patent_doc_number] => 20200157933 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => PROFILE MEASUREMENT FOR UNDERGROUND HYDROCARBON STORAGE CAVERNS [patent_app_type] => utility [patent_app_number] => 16/741820 [patent_app_country] => US [patent_app_date] => 2020-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5564 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 292 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16741820 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/741820
PROFILE MEASUREMENT FOR UNDERGROUND HYDROCARBON STORAGE CAVERNS Jan 13, 2020 Abandoned
Array ( [id] => 15932601 [patent_doc_number] => 20200157934 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => PROFILE MEASUREMENT FOR UNDERGROUND HYDROCARBON STORAGE CAVERNS [patent_app_type] => utility [patent_app_number] => 16/741834 [patent_app_country] => US [patent_app_date] => 2020-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5567 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 292 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16741834 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/741834
PROFILE MEASUREMENT FOR UNDERGROUND HYDROCARBON STORAGE CAVERNS Jan 13, 2020 Abandoned
Array ( [id] => 16963526 [patent_doc_number] => 20210215025 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-15 [patent_title] => FLUID RETRIEVAL USING ANNULAR CLEANING SYSTEM [patent_app_type] => utility [patent_app_number] => 16/739449 [patent_app_country] => US [patent_app_date] => 2020-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2854 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16739449 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/739449
Fluid retrieval using annular cleaning system Jan 9, 2020 Issued
Array ( [id] => 16157853 [patent_doc_number] => 20200217159 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-09 [patent_title] => DOWNHOLE METHOD [patent_app_type] => utility [patent_app_number] => 16/735940 [patent_app_country] => US [patent_app_date] => 2020-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6224 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 337 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16735940 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/735940
Downhole method for removal of tubular metal structure Jan 6, 2020 Issued
Array ( [id] => 17421722 [patent_doc_number] => 11255167 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-22 [patent_title] => Shunt tube assembly entry device [patent_app_type] => utility [patent_app_number] => 16/728419 [patent_app_country] => US [patent_app_date] => 2019-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 11056 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16728419 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/728419
Shunt tube assembly entry device Dec 26, 2019 Issued
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