Search

Vibol Tan

Examiner (ID: 4033, Phone: (571)272-1811 , Office: P/2844 )

Most Active Art Unit
2819
Art Unit(s)
2844, 2819
Total Applications
2718
Issued Applications
2530
Pending Applications
32
Abandoned Applications
163

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20579059 [patent_doc_number] => 12571303 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-10 [patent_title] => Time dependent tracer release in stimulated gas wells using composite particles made of two different thermoplastic polyester blends of various ratios [patent_app_type] => utility [patent_app_number] => 18/664028 [patent_app_country] => US [patent_app_date] => 2024-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1335 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 326 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18664028 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/664028
Time dependent tracer release in stimulated gas wells using composite particles made of two different thermoplastic polyester blends of various ratios May 13, 2024 Issued
Array ( [id] => 19564904 [patent_doc_number] => 12139666 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-11-12 [patent_title] => Effervescent tablet for enhanced oil recovery and enhanced oil recovery method using the same [patent_app_type] => utility [patent_app_number] => 18/650499 [patent_app_country] => US [patent_app_date] => 2024-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3922 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18650499 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/650499
Effervescent tablet for enhanced oil recovery and enhanced oil recovery method using the same Apr 29, 2024 Issued
Array ( [id] => 20321554 [patent_doc_number] => 20250333642 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-30 [patent_title] => TRACER RELEASE IN STIMULATED GAS WELLS USING PARTIALLY DEGRADABLE THERMOPLASTIC POLYAMIDE PARTICULATES [patent_app_type] => utility [patent_app_number] => 18/651517 [patent_app_country] => US [patent_app_date] => 2024-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18651517 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/651517
TRACER RELEASE IN STIMULATED GAS WELLS USING PARTIALLY DEGRADABLE THERMOPLASTIC POLYAMIDE PARTICULATES Apr 29, 2024 Pending
Array ( [id] => 19884570 [patent_doc_number] => 12270266 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-08 [patent_title] => Method of removing hydrogen sulfide from a subterranean geological formation with an imidazolate-based nanomaterial in an oil-based drilling fluid [patent_app_type] => utility [patent_app_number] => 18/648003 [patent_app_country] => US [patent_app_date] => 2024-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 9204 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18648003 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/648003
Method of removing hydrogen sulfide from a subterranean geological formation with an imidazolate-based nanomaterial in an oil-based drilling fluid Apr 25, 2024 Issued
Array ( [id] => 20309334 [patent_doc_number] => 20250326963 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-23 [patent_title] => DRILLING WITH WATER-BASED MUD INCLUDING MULTIPLE CLAYS [patent_app_type] => utility [patent_app_number] => 18/643715 [patent_app_country] => US [patent_app_date] => 2024-04-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2030 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18643715 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/643715
DRILLING WITH WATER-BASED MUD INCLUDING MULTIPLE CLAYS Apr 22, 2024 Pending
Array ( [id] => 20241135 [patent_doc_number] => 12421444 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-09-23 [patent_title] => Polymers and nanoparticles for flooding [patent_app_type] => utility [patent_app_number] => 18/635495 [patent_app_country] => US [patent_app_date] => 2024-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 1036 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18635495 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/635495
Polymers and nanoparticles for flooding Apr 14, 2024 Issued
Array ( [id] => 20492797 [patent_doc_number] => 12534660 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-27 [patent_title] => Methods for cementing wellbores utilizing spacer fluids that include surfactant packages [patent_app_type] => utility [patent_app_number] => 18/631829 [patent_app_country] => US [patent_app_date] => 2024-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3685 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18631829 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/631829
Methods for cementing wellbores utilizing spacer fluids that include surfactant packages Apr 9, 2024 Issued
Array ( [id] => 20288918 [patent_doc_number] => 20250314161 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-09 [patent_title] => METHOD FOR GENERATING CO2 IN SITU FOR OILFIELD APPLICATIONS USING PROPYLENE CARBONATE [patent_app_type] => utility [patent_app_number] => 18/626253 [patent_app_country] => US [patent_app_date] => 2024-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [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] => 18626253 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/626253
METHOD FOR GENERATING CO2 IN SITU FOR OILFIELD APPLICATIONS USING PROPYLENE CARBONATE Apr 2, 2024 Pending
Array ( [id] => 19809652 [patent_doc_number] => 12241023 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-04 [patent_title] => In-situ composite polymeric structures for far-field diversion during hydraulic fracturing [patent_app_type] => utility [patent_app_number] => 18/623159 [patent_app_country] => US [patent_app_date] => 2024-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7561 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18623159 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/623159
In-situ composite polymeric structures for far-field diversion during hydraulic fracturing Mar 31, 2024 Issued
Array ( [id] => 20279609 [patent_doc_number] => 20250304851 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => METHODS AND COMPOSITIONS USED IN CONTROLLING FORMATION SAND PRODUCTION, PROPPANT FLOWBACK, AND FINES MIGRATION [patent_app_type] => utility [patent_app_number] => 18/620285 [patent_app_country] => US [patent_app_date] => 2024-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6927 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18620285 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/620285
METHODS AND COMPOSITIONS USED IN CONTROLLING FORMATION SAND PRODUCTION, PROPPANT FLOWBACK, AND FINES MIGRATION Mar 27, 2024 Abandoned
Array ( [id] => 20280150 [patent_doc_number] => 20250305392 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => CARBON DIOXIDE MINERALIZATION AND STORAGE [patent_app_type] => utility [patent_app_number] => 18/619731 [patent_app_country] => US [patent_app_date] => 2024-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1292 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18619731 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/619731
Carbon dioxide mineralization and storage Mar 27, 2024 Issued
Array ( [id] => 20505999 [patent_doc_number] => 12540268 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-03 [patent_title] => Method for stabilizing wellbore, stabilized wellbore and wellbore stabilizing fluid [patent_app_type] => utility [patent_app_number] => 18/620446 [patent_app_country] => US [patent_app_date] => 2024-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18620446 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/620446
Method for stabilizing wellbore, stabilized wellbore and wellbore stabilizing fluid Mar 27, 2024 Issued
Array ( [id] => 20343615 [patent_doc_number] => 12467339 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-11 [patent_title] => Carbon dioxide mineralization and storage [patent_app_type] => utility [patent_app_number] => 18/596472 [patent_app_country] => US [patent_app_date] => 2024-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18596472 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/596472
Carbon dioxide mineralization and storage Mar 4, 2024 Issued
Array ( [id] => 20194194 [patent_doc_number] => 20250270904 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-28 [patent_title] => Remediating Failed Isolation in Plug-and-Perforation Operations [patent_app_type] => utility [patent_app_number] => 18/588998 [patent_app_country] => US [patent_app_date] => 2024-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [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] => 18588998 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/588998
Remediating failed isolation in plug-and-perforation operations Feb 26, 2024 Issued
Array ( [id] => 19098486 [patent_doc_number] => 20240117714 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => METHOD FOR INCREASING CRUDE OIL PRODUCTION BY CO2 STORAGE IN AQUIFER AND DUMPFLOODING [patent_app_type] => utility [patent_app_number] => 18/393277 [patent_app_country] => US [patent_app_date] => 2023-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2746 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 464 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18393277 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/393277
METHOD FOR INCREASING CRUDE OIL PRODUCTION BY CO2 STORAGE IN AQUIFER AND DUMPFLOODING Dec 20, 2023 Abandoned
Array ( [id] => 20264285 [patent_doc_number] => 12435261 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Methods for microbial gas production and use as isotopic tracer [patent_app_type] => utility [patent_app_number] => 18/393361 [patent_app_country] => US [patent_app_date] => 2023-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 0 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18393361 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/393361
Methods for microbial gas production and use as isotopic tracer Dec 20, 2023 Issued
Array ( [id] => 19098008 [patent_doc_number] => 20240117236 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-11 [patent_title] => MIXTURE FOR PRE-CEMENTING OPERATION IN WELLBORE [patent_app_type] => utility [patent_app_number] => 18/543002 [patent_app_country] => US [patent_app_date] => 2023-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6931 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18543002 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/543002
Mixture for pre-cementing operation in wellbore Dec 17, 2023 Issued
Array ( [id] => 19067462 [patent_doc_number] => 20240101888 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-28 [patent_title] => Enhanced Carbon Sequestration via Foam Cementing [patent_app_type] => utility [patent_app_number] => 18/515803 [patent_app_country] => US [patent_app_date] => 2023-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11816 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18515803 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/515803
Enhanced Carbon Sequestration via Foam Cementing Nov 20, 2023 Pending
Array ( [id] => 19034373 [patent_doc_number] => 20240084188 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => SUPER HYDROPHOBIC 2D NANOSHEET MATERIALS FOR IMPROVED OIL RECOVERY [patent_app_type] => utility [patent_app_number] => 18/508715 [patent_app_country] => US [patent_app_date] => 2023-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4147 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18508715 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/508715
SUPER HYDROPHOBIC 2D NANOSHEET MATERIALS FOR IMPROVED OIL RECOVERY Nov 13, 2023 Pending
Array ( [id] => 20007657 [patent_doc_number] => 20250145879 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => Method of Detecting Flow Assurance Using a Tagged Asphaltene Inhibitor [patent_app_type] => utility [patent_app_number] => 18/387939 [patent_app_country] => US [patent_app_date] => 2023-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2102 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18387939 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/387939
Method of Detecting Flow Assurance Using a Tagged Asphaltene Inhibitor Nov 7, 2023 Pending
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