[12] Patent
[11] Patent No.:GC0013751  
[45] Date of Publishing the Grant of the Patent: 6/Aug /2025                101/2025  		 Number of the Decision to Grant the Patent:2025/203269
Date of the Decision to Grant the Patent:31/Jul/2025

[21] Application No.:GC 2019-38044

[22] Filing Date:4/8/2019

[30] Priority:

[33] State [32] Priority date [31] Priority No.
PCT
14/9/2018
 PCT/US18/51024

[72] Inventors:1- Jin Ma،2- Michael S. Bittar

[73] Owner: Halliburton Energy Services, Inc., 3000N. Sam Houston Parkway E.Texas 77032, Houston, USA

[74] Agent: Saba & Co. T.M.P

  

 

   

[51]IPC:
Int. Cl.: E21B 47/00; G01V 3/28; H01Q 1/12, 7/00, 9/28 (2006.01)

[56] Cited Documents:

-US 20170269254 A1 (HALLIBURTON ENERGY SERVICES, INC.) 21 September 2017
-US 20100244841 A1 (TSILI WANG) 30 September 2010
-US 20170299760 A1 CHALLIBURTON ENERGY SERVICES, INC.) 19 October 2017  
Examiner: Eng. Imad A. AlAhaidib

[54] CROSS-SLOT BOBBIN AND ANTENNA SHIELD FOR CO-LOCATED ANTENNAS
[57] Abstract: A logging tool includes a mandrel having an axis, a bobbin positioned about the circumference of the mandrel, and defining a first cross slot at a first slot angle and a second cross slot at a second slot angle opposite the first slot angle. The first and second cross slots intersect each other. The tool includes a first antenna in the first slot and including a first plurality of windings wrapped about the mandrel, a second antenna co-located with the first antenna and in the second slot, and an antenna shield secured to the tool mandrel and in each of the first and second slots. The first antenna is arranged in a first orientation and at a first winding angle. The second antenna is arranged in a second orientation and at a second winding angle.
No. of claims: 22     No. of figures: 7


 

Note: Any interested individual may, within 3 months of publication of the grant, file objection thereof with the Grievance Committee after payment of grievance fees.