Search

Steven A. Macdonald

Examiner (ID: 16090, Phone: (571)272-8763 , Office: P/3676 )

Most Active Art Unit
3674
Art Unit(s)
3676, 3674
Total Applications
809
Issued Applications
623
Pending Applications
59
Abandoned Applications
144

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19404365 [patent_doc_number] => 20240287876 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => PERFORMING A WELLBORE TIEBACK OPERATION [patent_app_type] => utility [patent_app_number] => 18/176081 [patent_app_country] => US [patent_app_date] => 2023-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3762 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18176081 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/176081
PERFORMING A WELLBORE TIEBACK OPERATION Feb 27, 2023 Abandoned
Array ( [id] => 19551245 [patent_doc_number] => 12134945 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-05 [patent_title] => Frangible disk sub, method and system [patent_app_type] => utility [patent_app_number] => 18/171890 [patent_app_country] => US [patent_app_date] => 2023-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 2862 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18171890 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/171890
Frangible disk sub, method and system Feb 20, 2023 Issued
Array ( [id] => 18429153 [patent_doc_number] => 11674365 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-06-13 [patent_title] => Battery shuttle for electric well service rigs [patent_app_type] => utility [patent_app_number] => 18/109766 [patent_app_country] => US [patent_app_date] => 2023-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 4687 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18109766 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/109766
Battery shuttle for electric well service rigs Feb 13, 2023 Issued
Array ( [id] => 20008184 [patent_doc_number] => 20250146406 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => TOOL, SYSTEM AND METHOD FOR DELIVERING AND PRESSURE TESTING A DOWNHOLE PLUG IN ONE TRIP [patent_app_type] => utility [patent_app_number] => 18/727959 [patent_app_country] => US [patent_app_date] => 2023-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7734 [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] => 18727959 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/727959
Tool, system and method for delivering and pressure testing a downhole plug in one trip Feb 6, 2023 Issued
Array ( [id] => 19266032 [patent_doc_number] => 20240209731 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => Nested Splice Tubes for Integrating Spoolable Gauges with Downhole Cables [patent_app_type] => utility [patent_app_number] => 18/088686 [patent_app_country] => US [patent_app_date] => 2022-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5263 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18088686 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/088686
Nested splice tubes for integrating spoolable gauges with downhole cables Dec 25, 2022 Issued
Array ( [id] => 18325560 [patent_doc_number] => 20230123688 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => Composite Cement Retainer [patent_app_type] => utility [patent_app_number] => 18/085328 [patent_app_country] => US [patent_app_date] => 2022-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2811 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18085328 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/085328
Composite cement retainer Dec 19, 2022 Issued
Array ( [id] => 19242389 [patent_doc_number] => 12012811 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-06-18 [patent_title] => Controlling surface pressure during well intervention [patent_app_type] => utility [patent_app_number] => 18/082682 [patent_app_country] => US [patent_app_date] => 2022-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 7850 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18082682 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/082682
Controlling surface pressure during well intervention Dec 15, 2022 Issued
Array ( [id] => 18280798 [patent_doc_number] => 20230096270 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-30 [patent_title] => SPLIT FLOW PROBE FOR REACTIVE RESERVOIR SAMPLING [patent_app_type] => utility [patent_app_number] => 18/075923 [patent_app_country] => US [patent_app_date] => 2022-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6531 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18075923 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/075923
Split flow probe for reactive reservoir sampling Dec 5, 2022 Issued
Array ( [id] => 19709914 [patent_doc_number] => 20250020056 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => WIRELESS SYSTEM FOR MONITORING DOWNHOLE PARAMETERS [patent_app_type] => utility [patent_app_number] => 18/713724 [patent_app_country] => US [patent_app_date] => 2022-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2297 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18713724 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/713724
Wireless system for monitoring downhole parameters Nov 20, 2022 Issued
Array ( [id] => 18361792 [patent_doc_number] => 20230143383 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-11 [patent_title] => DOWNHOLE ASSEMBLY AND ANNULAR BARRIER WITH DOWNHOLE ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/983725 [patent_app_country] => US [patent_app_date] => 2022-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7077 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17983725 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/983725
Downhole assembly and annular barrier with downhole assembly Nov 8, 2022 Issued
Array ( [id] => 19492077 [patent_doc_number] => 12110776 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-08 [patent_title] => Down-hole gas separation methods and system [patent_app_type] => utility [patent_app_number] => 17/981432 [patent_app_country] => US [patent_app_date] => 2022-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3654 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17981432 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/981432
Down-hole gas separation methods and system Nov 5, 2022 Issued
Array ( [id] => 19659126 [patent_doc_number] => 20240426191 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => SYSTEM AND METHOD FOR INCREASING FORCE ON DOWNHOLE TOOL [patent_app_type] => utility [patent_app_number] => 18/690325 [patent_app_country] => US [patent_app_date] => 2022-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2647 [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] => 18690325 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/690325
System and method for increasing force on downhole tool Oct 24, 2022 Issued
Array ( [id] => 18526648 [patent_doc_number] => 11713637 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-01 [patent_title] => Dual end firing explosive column tools and methods for selectively expanding a wall of a tubular [patent_app_type] => utility [patent_app_number] => 17/967705 [patent_app_country] => US [patent_app_date] => 2022-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 33 [patent_no_of_words] => 14998 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17967705 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/967705
Dual end firing explosive column tools and methods for selectively expanding a wall of a tubular Oct 16, 2022 Issued
Array ( [id] => 19113447 [patent_doc_number] => 20240125197 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-04-18 [patent_title] => BOREHOLE SEALING WITH TEMPERATURE CONTROL, METHOD, AND SYSTEM [patent_app_type] => utility [patent_app_number] => 17/964859 [patent_app_country] => US [patent_app_date] => 2022-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3219 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17964859 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/964859
Borehole sealing with temperature control, method, and system Oct 11, 2022 Issued
Array ( [id] => 18306268 [patent_doc_number] => 20230110168 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-13 [patent_title] => METHOD TO ISOLATE PRESSURE ON A MULTILATERAL ORIENTATION ASSEMBLY WITH A REDUCTION IN TRIPS [patent_app_type] => utility [patent_app_number] => 17/962778 [patent_app_country] => US [patent_app_date] => 2022-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3992 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17962778 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/962778
Method to isolate pressure on a multilateral orientation assembly with a reduction in trips Oct 9, 2022 Issued
Array ( [id] => 18298245 [patent_doc_number] => 20230107931 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-06 [patent_title] => ADJUSTABLE ELEMENT ENERGY RETENTION MECHANISM [patent_app_type] => utility [patent_app_number] => 17/956429 [patent_app_country] => US [patent_app_date] => 2022-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5585 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -29 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17956429 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/956429
Adjustable element energy retention mechanism Sep 28, 2022 Issued
Array ( [id] => 19013543 [patent_doc_number] => 11920463 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-03-05 [patent_title] => Wellbore system with dissolving ball and independent plug latching profiles [patent_app_type] => utility [patent_app_number] => 17/949896 [patent_app_country] => US [patent_app_date] => 2022-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 1656 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17949896 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/949896
Wellbore system with dissolving ball and independent plug latching profiles Sep 20, 2022 Issued
Array ( [id] => 18275014 [patent_doc_number] => 11613949 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-28 [patent_title] => Apparatus for performing multiple downhole operations in a production tubing tubular [patent_app_type] => utility [patent_app_number] => 17/941766 [patent_app_country] => US [patent_app_date] => 2022-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3843 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17941766 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/941766
Apparatus for performing multiple downhole operations in a production tubing tubular Sep 8, 2022 Issued
Array ( [id] => 19034841 [patent_doc_number] => 20240084656 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => CLAMP FOR A CONTROL LINE, METHOD, AND SYSTEM [patent_app_type] => utility [patent_app_number] => 17/940505 [patent_app_country] => US [patent_app_date] => 2022-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3125 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17940505 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/940505
Clamp for a control line, method, and system Sep 7, 2022 Issued
Array ( [id] => 19441687 [patent_doc_number] => 12091932 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => Downhole mixing of wellbore treatment fluids [patent_app_type] => utility [patent_app_number] => 17/902622 [patent_app_country] => US [patent_app_date] => 2022-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4156 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17902622 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/902622
Downhole mixing of wellbore treatment fluids Sep 1, 2022 Issued
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