Inventor
LONNIE CARL HELMS
Inventor
US
Overview
Patents· 47 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling92%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
B23KSoldering or unsoldering2%
F16KValves2%
PatentTitleYear
12,516,586Cement head flow diverter for tethered cement plug deployment202612,492,608Sealing element with sloped ends202512,460,507Apparatus and method of reducing surge when running casing202512,448,873Puddle job with delayed setting of resin202512,448,559Puddle job with delayed setting of resin via a polymerization reaction with an activator202512,326,079Induction loop cementing progress detection202512,326,082Tracking a wiper dart having a bi-diameter wiper cup in a wellbore using pressure spikes202512,270,281Wiper dart having a bi-diameter wiper cup with protruding ring202512,252,959Wiper dart having a bi-diameter wiper cup202512,060,763Cementing apparatus for reverse cementing202412,044,104Differential fill valve with collet sleeve202411,982,153Managed pressure reverse cementing and valve closure202411,976,533Externally threadless float equipment for cementing operations202411,965,397Operating sleeve202411,933,164Fluid particulate concentrator for enhanced sensing in a wellbore fluid202411,898,416Shearable drive pin assembly202411,885,197External sleeve cementer202411,873,697Casing equipment for pulsed power drilling202411,767,728Cementing plug formed with high pressure seal202311,746,618Cementing apparatus for reverse cementing202311,668,183Fiber deployment system and communication202311,661,812Fluid barriers for dissolvable plugs202311,566,489Stage cementer packer202311,519,258Pressure testing casing string during reverse cementing operations202211,519,242Telescopic stage cementer packer202211,499,395Flapper disk for buoyancy assisted casing equipment202211,466,520Systems and methods for indicating completion of a reverse cementing operation202211,448,038Reverse cementing valve system and method employing a double flapper valve with sliding sleeve and drillable nose202211,391,119Differential fill valve with collet sleeve202211,384,613Wellbore dart with separable and expandable tool activator202211,377,920Anchoring downhole tool housing and body to inner diameter of tubing string202211,359,454Buoyancy assist tool with annular cavity and piston202211,346,171Downhole apparatus202211,293,252Fluid barriers for dissolvable plugs202211,293,253Dual sub-surface release plug with bypass for small diameter liners202211,293,261Buoyancy assist tool202211,280,157Multi-stage cementing tool202211,274,519Reverse cementing tool202211,261,694Apparatus, systems, and methods for dampening a wellbore pressure pulse during reverse circulation cementing202211,261,703Dual valves for reverse cementing operations202211,255,131High opening pressure poppet valve202211,230,905Buoyancy assist tool with waffle debris barrier202211,199,071Full bore buoyancy assisted casing system202111,187,072Fiber deployment system and communication202111,180,987Conductive pathways within a wellbore using no-heat liquid solder202111,174,701Wellbore remedial operations with no-heat liquid solder202111,142,994Buoyancy assist tool with annular cavity and piston2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021–2026Patents assigned to HALLIBURTON ENERGY SERVICES INC (47)· patent assignee history
2021Patents assigned to HALLIBURTON ENERGY SERV INC (1)· patent assignee history
2021–2026Based in US· patent location history
2024Patents assigned to CHEVRON USA INC (1)· patent assignee history
2024Patents assigned to SDG LLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON ENERGY SERVICES INC | 47 | 2021–2026 |
| CHEVRON USA INC | 1 | 2024 |
| HALLIBURTON ENERGY SERV INC | 1 | 2021 |
| SDG LLC | 1 | 2024 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 47 | 2021–2026 |