Fishing and Tool Leasing

SPT possesses a professional accident handling and prevention team, which can handle all kinds of accidents in relation to boreholes in different sizes, provide the best management programs and field operations to customers, provide accident prevention services for a single well or regions on a regular or long-term basis by professional senior engineers who will work on well site and make inspections on well site, provide sales and leasing of standard and special sized tools used in accident handling at home and abroad, and provide professional technical consultations and management programs for drilling accidents. 

 Drilling Accident Treatment

 | Service Value
According to the occurrence causes and process of drilling accidents as well as relevant data, work out a fishing technology scheme, set up fishing tools, carry out field technical operation, eliminate accidents in short time, resume normal drilling operation, reduce accident losses, save drilling cost, and bring economic benefits.

| Service Cases
From Jan. 2008 to May 2011, we treated totally 15 various drilling accidents as follows:

Drill collar was broken at 6830m depth of a well in the western region, with the inclination of 19°; fishing succeeded with a releasing slip socket at a time, and the accident was eliminated;

Pipe sticking occurred during reaming at 6077m depth of a well in the western region; then fresh water mud was used in soaking and unfreezing, and the accident was eliminated;
The liner running tool was cemented and stuck during cementing at 6211m depth of a well in the western region; then after milling, all the fish was fished out using a windowing fishing socket, and the accident was eliminated;

The wireline was stuck at 6658m depth of a well in the western region; then all the tools were fished out at a time through straight-through fishing, and the accident was eliminated;

The electric logging tools were stuck, the wireline was broken and the electric logging tools fell in hole at 6272m depth of a well in the western region; then all the electric logging tools were fished out at a time using a slip socket, and the accident was eliminated;

The small kelly slips of the rotary table fell in hole at 50m depth of a well in the western region; then milling was performed using a high strength mill shoe, the milled fragments were fished with a strong magnetic fisher, and the accident was eliminated;

Pipe sticking occurred due to lost circulation additives in a well in the west region; the accident was eliminated through breakouting by explosion, milling and stabbing.


 
2. Complicated Drilling Accident Handling

| Service Value
Reside at key complex wells and handle complicated drilling accidents at any time, which can thus prevent drilling accidents.

| Service Case
Resided at key wells in the west regions to prevent drilling accidents from Jan. 2008 to May 2011.

 Selling and Leasing of Fishing Tools

| Service Value
We can timely handle drilling accidents and ensure safe and favorable implementation of drilling production operations by reserving high strength imported fishing tools and special fishing tools.

| Service Case
Reserve various high-strength imported fishing tools, e.g. slip sockets, slip spears, thin wall washover pipes, fishing jars, back-off tools, etc.
 
4. Provision of Fishing Technology Schemes

| Service Value
Work out fishing technology schemes for various drilling accidents and set up relevant fishing tools according to the downhole conditions and relevant data of key complex wells; handle it in time after a drilling accident occurs.

| Service Case
Work out fishing technology schemes for various drilling accidents of key complex wells in the west regions and set up relevant fishing tools; work out fishing technology schemes for unconventional holes and make preparations for fishing tools.

 

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