Patent Theme

Downhole Wellbore Sensing

Deployment and operation of specialized sensors within wellbores to monitor formation properties, fluid flow, and well integrity, often using acoustic, optical, or radiation-based methods, and integrating with well operations.

9,377 US filings from 1,277 companies since 2023 · 2023: 2,512 · 2024: 2,941 · 2025: 2,745 · 2026 YTD: 1,179

Drilling & MiningGeophysics & Gravity Measurement

Top companies

Ranked by filings in this theme since 2023. 2026 is partial.

#	Company	Since 2023	2023	2024	2025	2026 YTD	YoY
1	SAUDI ARABIAN OIL COMPANY	1,845	522	615	576	132	-6.3%
2	Halliburton Energy Services, Inc.	1,732	490	488	536	218	+9.8%
3	Schlumberger Technology Corporation	1,161	187	339	391	244	+15.3%
4	Baker Hughes Oilfield Operations LLC	302	98	88	86	30	-2.3%
5	CHEVRON U.S.A. INC.	155	36	45	47	27	+4.4%
6	Landmark Graphics Corporation	125	47	37	31	10	-16.2%
7	WEATHERFORD TECHNOLOGY HOLDINGS, LLC	103	23	31	34	15	+9.7%
8	ConocoPhillips Company	91	25	34	21	11	-38.2%
9	SOUTHWEST PETROLEUM UNIVERSITY	91	23	32	21	15	-34.4%
10	ARAMCO SERVICES COMPANY	80	16	23	39	2	+69.6%
11	EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY	77	21	33	19	4	-42.4%
12	Institute of Geology and Geophysics, Chinese Academy of Sciences	64	9	29	21	5	-27.6%
13	CHINA PETROLEUM & CHEMICAL CORPORATION	60	16	15	19	10	+26.7%
14	Cameron International Corporation	51	14	20	10	7	-50.0%
15	PETRÓLEO BRASILEIRO S.A. - PETROBRAS	48	17	11	15	5	+36.4%
16	PGS Geophysical AS	45	16	19	7	3	-63.2%
17	FMC Technologies, Inc.	41	12	14	12	3	-14.3%
18	THRU TUBING SOLUTIONS, INC.	34	5	5	8	16	+60.0%
19	CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)	33	7	14	11	1	-21.4%
20	CGG SERVICES SAS	32	7	15	6	4	-60.0%
21	KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS	32	6	11	12	3	+9.1%
22	EQUINOR ENERGY AS	31	10	5	11	5	+120.0%
23	EXPRO NORTH SEA LIMITED	28	7	8	10	3	+25.0%
24	Helmerich & Payne Technologies, LLC	27	6	9	7	5	-22.2%
25	Intelligent Wellhead Systems Inc.	27	8	9	7	3	-22.2%